652496909658 has 16 divisors (see below), whose sum is σ = 1423629621216. Its totient is φ = 197726336240.

The previous prime is 652496909653. The next prime is 652496909671. The reversal of 652496909658 is 856909694256.

It is a super-2 number, since 2×652496909658² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 652496909592 and 652496909601.

It is not an unprimeable number, because it can be changed into a prime (652496909653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4943158341 + ... + 4943158472.

It is an arithmetic number, because the mean of its divisors is an integer number (88976851326).

Almost surely, 2^652496909658 is an apocalyptic number.

652496909658 is an abundant number, since it is smaller than the sum of its proper divisors (771132711558).

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

652496909658 is a wasteful number, since it uses less digits than its factorization.

652496909658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9886316829.

The product of its (nonzero) digits is 251942400, while the sum is 69.

The spelling of 652496909658 in words is "six hundred fifty-two billion, four hundred ninety-six million, nine hundred nine thousand, six hundred fifty-eight".