914930820431 has 4 divisors (see below), whose sum is σ = 915521481000. Its totient is φ = 914340159864.

The previous prime is 914930820421. The next prime is 914930820437. The reversal of 914930820431 is 134028039419.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134028039419 = 79 ⋅1696557461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-914930820431 is a prime.

It is a super-2 number, since 2×914930820431² (a number of 25 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 (914930820437) 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 3 ways as a sum of consecutive naturals, for example, 295327961 + ... + 295331058.

It is an arithmetic number, because the mean of its divisors is an integer number (228880370250).

Almost surely, 2^914930820431 is an apocalyptic number.

914930820431 is a deficient number, since it is larger than the sum of its proper divisors (590660569).

914930820431 is a wasteful number, since it uses less digits than its factorization.

914930820431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590660568.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 914930820431 in words is "nine hundred fourteen billion, nine hundred thirty million, eight hundred twenty thousand, four hundred thirty-one".