157212694069 has 8 divisors (see below), whose sum is σ = 157452698880. Its totient is φ = 156972750000.

The previous prime is 157212694043. The next prime is 157212694097. The reversal of 157212694069 is 960496212751.

157212694069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157212694069 is a prime.

It is a super-2 number, since 2×157212694069² (a number of 23 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 (157212695069) 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 7 ways as a sum of consecutive naturals, for example, 9879019 + ... + 9894919.

It is an arithmetic number, because the mean of its divisors is an integer number (19681587360).

Almost surely, 2^157212694069 is an apocalyptic number.

It is an amenable number.

157212694069 is a deficient number, since it is larger than the sum of its proper divisors (240004811).

157212694069 is a wasteful number, since it uses less digits than its factorization.

157212694069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30371.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 157212694069 in words is "one hundred fifty-seven billion, two hundred twelve million, six hundred ninety-four thousand, sixty-nine".