630411262421 has 2 divisors, whose sum is σ = 630411262422. Its totient is φ = 630411262420.

The previous prime is 630411262381. The next prime is 630411262427. The reversal of 630411262421 is 124262114036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 578831856100 + 51579406321 = 760810^2 + 227111^2 .

It is a cyclic number.

It is not a de Polignac number, because 630411262421 - 2²⁶ = 630344153557 is a prime.

It is a super-3 number, since 3×630411262421³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630411262427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315205631210 + 315205631211.

It is an arithmetic number, because the mean of its divisors is an integer number (315205631211).

Almost surely, 2^630411262421 is an apocalyptic number.

It is an amenable number.

630411262421 is a deficient number, since it is larger than the sum of its proper divisors (1).

630411262421 is an equidigital number, since it uses as much as digits as its factorization.

630411262421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 630411262421 its reverse (124262114036), we get a palindrome (754673376457).

The spelling of 630411262421 in words is "six hundred thirty billion, four hundred eleven million, two hundred sixty-two thousand, four hundred twenty-one".