630630355501 has 2 divisors, whose sum is σ = 630630355502. Its totient is φ = 630630355500.

The previous prime is 630630355447. The next prime is 630630355567. The reversal of 630630355501 is 105553036036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 569646053001 + 60984302500 = 754749^2 + 246950^2 .

It is a cyclic number.

It is not a de Polignac number, because 630630355501 - 2¹⁷ = 630630224429 is a prime.

It is a super-2 number, since 2×630630355501² (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 (630630355571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315315177750 + 315315177751.

It is an arithmetic number, because the mean of its divisors is an integer number (315315177751).

Almost surely, 2^630630355501 is an apocalyptic number.

It is an amenable number.

630630355501 is a deficient number, since it is larger than the sum of its proper divisors (1).

630630355501 is an equidigital number, since it uses as much as digits as its factorization.

630630355501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121500, while the sum is 37.

The spelling of 630630355501 in words is "six hundred thirty billion, six hundred thirty million, three hundred fifty-five thousand, five hundred one".