2651443536 has 80 divisors (see below), whose sum is σ = 7862782464. Its totient is φ = 754196352.

The previous prime is 2651443489. The next prime is 2651443577. The reversal of 2651443536 is 6353441562.

It is a junction number, because it is equal to n+sod(n) for n = 2651443494 and 2651443503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58891 + ... + 93653.

Almost surely, 2^2651443536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2651443536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3931391232).

2651443536 is an abundant number, since it is smaller than the sum of its proper divisors (5211338928).

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

2651443536 is a wasteful number, since it uses less digits than its factorization.

2651443536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35008 (or 35002 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

The square root of 2651443536 is about 51492.1696571430. The cubic root of 2651443536 is about 1384.0787290797.

The spelling of 2651443536 in words is "two billion, six hundred fifty-one million, four hundred forty-three thousand, five hundred thirty-six".