2651263002 has 80 divisors (see below), whose sum is σ = 6287276160. Its totient is φ = 832716288.

The previous prime is 2651262979. The next prime is 2651263079. The reversal of 2651263002 is 2003621562.

2651263002 is a `hidden beast` number, since 2 + 651 + 2 + 6 + 3 + 0 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 591823 + ... + 596285.

It is an arithmetic number, because the mean of its divisors is an integer number (78590952).

Almost surely, 2^2651263002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2651263002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3143638080).

2651263002 is an abundant number, since it is smaller than the sum of its proper divisors (3636013158).

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

2651263002 is a wasteful number, since it uses less digits than its factorization.

2651263002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689 (or 4680 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2651263002 is about 51490.4166034807. The cubic root of 2651263002 is about 1384.0473148787.

Adding to 2651263002 its reverse (2003621562), we get a palindrome (4654884564).

The spelling of 2651263002 in words is "two billion, six hundred fifty-one million, two hundred sixty-three thousand, two".