10649485992 has 16 divisors (see below), whose sum is σ = 26623715040. Its totient is φ = 3549828656.

The previous prime is 10649485963. The next prime is 10649485993. The reversal of 10649485992 is 29958494601.

It is a super-2 number, since 2×10649485992² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10649485993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221864268 + ... + 221864315.

It is an arithmetic number, because the mean of its divisors is an integer number (1663982190).

Almost surely, 2^10649485992 is an apocalyptic number.

10649485992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10649485992 is an abundant number, since it is smaller than the sum of its proper divisors (15974229048).

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

10649485992 is a wasteful number, since it uses less digits than its factorization.

10649485992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443728592 (or 443728588 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 10649485992 in words is "ten billion, six hundred forty-nine million, four hundred eighty-five thousand, nine hundred ninety-two".