653252165045 has 32 divisors (see below), whose sum is σ = 825651560448. Its totient is φ = 495652868928.

The previous prime is 653252165039. The next prime is 653252165087. The reversal of 653252165045 is 540561252356.

It is a cyclic number.

It is not a de Polignac number, because 653252165045 - 2³⁴ = 636072295861 is a prime.

It is a super-3 number, since 3×653252165045³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 653252164987 and 653252165005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1028822 + ... + 1537848.

It is an arithmetic number, because the mean of its divisors is an integer number (25801611264).

Almost surely, 2^653252165045 is an apocalyptic number.

It is an amenable number.

653252165045 is a deficient number, since it is larger than the sum of its proper divisors (172399395403).

653252165045 is a wasteful number, since it uses less digits than its factorization.

653252165045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509249.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 653252165045 in words is "six hundred fifty-three billion, two hundred fifty-two million, one hundred sixty-five thousand, forty-five".