69440157351 has 6 divisors (see below), whose sum is σ = 100302449520. Its totient is φ = 46293438228.

The previous prime is 69440157349. The next prime is 69440157403. The reversal of 69440157351 is 15375104496.

69440157351 is a `hidden beast` number, since 6 + 9 + 440 + 157 + 3 + 51 = 666.

It is not a de Polignac number, because 69440157351 - 2¹ = 69440157349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69440157297 and 69440157306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69440157341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3857786511 + ... + 3857786528.

It is an arithmetic number, because the mean of its divisors is an integer number (16717074920).

Almost surely, 2^69440157351 is an apocalyptic number.

69440157351 is a deficient number, since it is larger than the sum of its proper divisors (30862292169).

69440157351 is a wasteful number, since it uses less digits than its factorization.

69440157351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7715573045 (or 7715573042 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 69440157351 in words is "sixty-nine billion, four hundred forty million, one hundred fifty-seven thousand, three hundred fifty-one".