69437531317 has 16 divisors (see below), whose sum is σ = 86609377152. Its totient is φ = 54083473920.

The previous prime is 69437531311. The next prime is 69437531333. The reversal of 69437531317 is 71313573496.

It is a de Polignac number, because none of the positive numbers 2^k-69437531317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69437531311) 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, 19428 + ... + 373165.

It is an arithmetic number, because the mean of its divisors is an integer number (5413086072).

Almost surely, 2^69437531317 is an apocalyptic number.

It is an amenable number.

69437531317 is a deficient number, since it is larger than the sum of its proper divisors (17171845835).

69437531317 is a wasteful number, since it uses less digits than its factorization.

69437531317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394908.

The product of its digits is 1428840, while the sum is 49.

The spelling of 69437531317 in words is "sixty-nine billion, four hundred thirty-seven million, five hundred thirty-one thousand, three hundred seventeen".