630626053501 has 2 divisors, whose sum is σ = 630626053502. Its totient is φ = 630626053500.

The previous prime is 630626053487. The next prime is 630626053523. The reversal of 630626053501 is 105350626036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374757006276 + 255869047225 = 612174^2 + 505835^2 .

It is a cyclic number.

It is not a de Polignac number, because 630626053501 - 2¹⁷ = 630625922429 is a prime.

It is a super-2 number, since 2×630626053501² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630626053531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315313026750 + 315313026751.

It is an arithmetic number, because the mean of its divisors is an integer number (315313026751).

Almost surely, 2^630626053501 is an apocalyptic number.

It is an amenable number.

630626053501 is a deficient number, since it is larger than the sum of its proper divisors (1).

630626053501 is an equidigital number, since it uses as much as digits as its factorization.

630626053501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 37.

Adding to 630626053501 its reverse (105350626036), we get a palindrome (735976679537).

The spelling of 630626053501 in words is "six hundred thirty billion, six hundred twenty-six million, fifty-three thousand, five hundred one".