791214631 has 2 divisors, whose sum is σ = 791214632. Its totient is φ = 791214630.

The previous prime is 791214617. The next prime is 791214649. The reversal of 791214631 is 136412197.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 791214631 - 2⁷ = 791214503 is a prime.

It is a super-2 number, since 2×791214631² = 1252041184616932322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791214691) 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 as a sum of consecutive naturals, namely, 395607315 + 395607316.

It is an arithmetic number, because the mean of its divisors is an integer number (395607316).

Almost surely, 2^791214631 is an apocalyptic number.

791214631 is a deficient number, since it is larger than the sum of its proper divisors (1).

791214631 is an equidigital number, since it uses as much as digits as its factorization.

791214631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The square root of 791214631 is about 28128.5376619546. The cubic root of 791214631 is about 924.9070784671.

The spelling of 791214631 in words is "seven hundred ninety-one million, two hundred fourteen thousand, six hundred thirty-one".