2649669462 has 128 divisors (see below), whose sum is σ = 6628884480. Its totient is φ = 777624480.

The previous prime is 2649669443. The next prime is 2649669467.

2649669462 is a `hidden beast` number, since 2 + 6 + 496 + 6 + 94 + 62 = 666.

2649669462 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 2649669399 and 2649669408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649669467) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2986783 + ... + 2987669.

It is an arithmetic number, because the mean of its divisors is an integer number (51788160).

Almost surely, 2^2649669462 is an apocalyptic number.

2649669462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2649669462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3314442240).

2649669462 is an abundant number, since it is smaller than the sum of its proper divisors (3979215018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2649669462 is a wasteful number, since it uses less digits than its factorization.

2649669462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063 (or 1057 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 54.

The square root of 2649669462 is about 51474.9401359535. The cubic root of 2649669462 is about 1383.7699657081.

The spelling of 2649669462 in words is "two billion, six hundred forty-nine million, six hundred sixty-nine thousand, four hundred sixty-two".