69157199431 has 8 divisors (see below), whose sum is σ = 71395490304. Its totient is φ = 66919371960.

The previous prime is 69157199393. The next prime is 69157199491. The reversal of 69157199431 is 13499175196.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 69157199431 - 2⁷ = 69157199303 is a prime.

It is a super-2 number, since 2×69157199431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69157199491) 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, 201276 + ... + 422878.

It is an arithmetic number, because the mean of its divisors is an integer number (8924436288).

Almost surely, 2^69157199431 is an apocalyptic number.

69157199431 is a deficient number, since it is larger than the sum of its proper divisors (2238290873).

69157199431 is a wasteful number, since it uses less digits than its factorization.

69157199431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231701.

The product of its digits is 1837080, while the sum is 55.

The spelling of 69157199431 in words is "sixty-nine billion, one hundred fifty-seven million, one hundred ninety-nine thousand, four hundred thirty-one".