65497793502 has 32 divisors (see below), whose sum is σ = 131833249920. Its totient is φ = 21693057120.

The previous prime is 65497793497. The next prime is 65497793507. The reversal of 65497793502 is 20539779456.

It is an interprime number because it is at equal distance from previous prime (65497793497) and next prime (65497793507).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65497793507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5734177 + ... + 5745587.

It is an arithmetic number, because the mean of its divisors is an integer number (4119789060).

Almost surely, 2^65497793502 is an apocalyptic number.

65497793502 is an abundant number, since it is smaller than the sum of its proper divisors (66335456418).

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

65497793502 is a wasteful number, since it uses less digits than its factorization.

65497793502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17448.

The product of its (nonzero) digits is 14288400, while the sum is 57.

The spelling of 65497793502 in words is "sixty-five billion, four hundred ninety-seven million, seven hundred ninety-three thousand, five hundred two".