69920151257 has 8 divisors (see below), whose sum is σ = 76288630080. Its totient is φ = 63553689360.

The previous prime is 69920151239. The next prime is 69920151283. The reversal of 69920151257 is 75215102996.

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 69920151257 - 2⁸ = 69920151001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69920151757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431282 + ... + 570827.

It is an arithmetic number, because the mean of its divisors is an integer number (9536078760).

Almost surely, 2^69920151257 is an apocalyptic number.

It is an amenable number.

69920151257 is a deficient number, since it is larger than the sum of its proper divisors (6368478823).

69920151257 is a wasteful number, since it uses less digits than its factorization.

69920151257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008463.

The product of its (nonzero) digits is 340200, while the sum is 47.

The spelling of 69920151257 in words is "sixty-nine billion, nine hundred twenty million, one hundred fifty-one thousand, two hundred fifty-seven".