538351097065 has 16 divisors (see below), whose sum is σ = 663130467648. Its totient is φ = 419337971136.

The previous prime is 538351097017. The next prime is 538351097069. The reversal of 538351097065 is 560790153835.

It is a cyclic number.

It is not a de Polignac number, because 538351097065 - 2⁹ = 538351096553 is a prime.

It is a super-2 number, since 2×538351097065² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538351097069) 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, 3881307 + ... + 4017616.

It is an arithmetic number, because the mean of its divisors is an integer number (41445654228).

Almost surely, 2^538351097065 is an apocalyptic number.

It is an amenable number.

538351097065 is a deficient number, since it is larger than the sum of its proper divisors (124779370583).

538351097065 is a wasteful number, since it uses less digits than its factorization.

538351097065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7899288.

The product of its (nonzero) digits is 3402000, while the sum is 52.

The spelling of 538351097065 in words is "five hundred thirty-eight billion, three hundred fifty-one million, ninety-seven thousand, sixty-five".