462626626421 has 2 divisors, whose sum is σ = 462626626422. Its totient is φ = 462626626420.

The previous prime is 462626626403. The next prime is 462626626433. The reversal of 462626626421 is 124626626264.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 279327048196 + 183299578225 = 528514^2 + 428135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-462626626421 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (462626626471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231313313210 + 231313313211.

It is an arithmetic number, because the mean of its divisors is an integer number (231313313211).

Almost surely, 2^462626626421 is an apocalyptic number.

It is an amenable number.

462626626421 is a deficient number, since it is larger than the sum of its proper divisors (1).

462626626421 is an equidigital number, since it uses as much as digits as its factorization.

462626626421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1990656, while the sum is 47.

The spelling of 462626626421 in words is "four hundred sixty-two billion, six hundred twenty-six million, six hundred twenty-six thousand, four hundred twenty-one".