626463941 has 2 divisors, whose sum is σ = 626463942. Its totient is φ = 626463940.

The previous prime is 626463899. The next prime is 626463973. The reversal of 626463941 is 149364626.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 581292100 + 45171841 = 24110^2 + 6721^2 .

It is a cyclic number.

It is not a de Polignac number, because 626463941 - 2¹⁰ = 626462917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (626460941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313231970 + 313231971.

It is an arithmetic number, because the mean of its divisors is an integer number (313231971).

Almost surely, 2^626463941 is an apocalyptic number.

It is an amenable number.

626463941 is a deficient number, since it is larger than the sum of its proper divisors (1).

626463941 is an equidigital number, since it uses as much as digits as its factorization.

626463941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 41.

The square root of 626463941 is about 25029.2616950640. The cubic root of 626463941 is about 855.6550005212.

The spelling of 626463941 in words is "six hundred twenty-six million, four hundred sixty-three thousand, nine hundred forty-one".