629625770993 has 2 divisors, whose sum is σ = 629625770994. Its totient is φ = 629625770992.

The previous prime is 629625770951. The next prime is 629625771001. The reversal of 629625770993 is 399077526926.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 627252912049 + 2372858944 = 791993^2 + 48712^2 .

It is a cyclic number.

It is not a de Polignac number, because 629625770993 - 2¹² = 629625766897 is a prime.

It is a super-2 number, since 2×629625770993² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (629625700993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314812885496 + 314812885497.

It is an arithmetic number, because the mean of its divisors is an integer number (314812885497).

Almost surely, 2^629625770993 is an apocalyptic number.

It is an amenable number.

629625770993 is a deficient number, since it is larger than the sum of its proper divisors (1).

629625770993 is an equidigital number, since it uses as much as digits as its factorization.

629625770993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77157360, while the sum is 65.

The spelling of 629625770993 in words is "six hundred twenty-nine billion, six hundred twenty-five million, seven hundred seventy thousand, nine hundred ninety-three".