768193631 has 2 divisors, whose sum is σ = 768193632. Its totient is φ = 768193630.

The previous prime is 768193619. The next prime is 768193649. The reversal of 768193631 is 136391867.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 768193631 - 2⁶ = 768193567 is a prime.

It is a super-2 number, since 2×768193631² = 1180242909417928322, which contains 22 as substring.

It is a Chen prime.

It is equal to p_39592547 and since 768193631 and 39592547 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768163631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384096815 + 384096816.

It is an arithmetic number, because the mean of its divisors is an integer number (384096816).

Almost surely, 2^768193631 is an apocalyptic number.

768193631 is a deficient number, since it is larger than the sum of its proper divisors (1).

768193631 is an equidigital number, since it uses as much as digits as its factorization.

768193631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 768193631 is about 27716.3062293661. The cubic root of 768193631 is about 915.8483501323.

The spelling of 768193631 in words is "seven hundred sixty-eight million, one hundred ninety-three thousand, six hundred thirty-one".