630375135458 has 4 divisors (see below), whose sum is σ = 945562703190. Its totient is φ = 315187567728.

The previous prime is 630375135431. The next prime is 630375135469. The reversal of 630375135458 is 854531573036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 466247249329 + 164127886129 = 682823^2 + 405127^2 .

It is a super-2 number, since 2×630375135458² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157593783863 + ... + 157593783866.

Almost surely, 2^630375135458 is an apocalyptic number.

630375135458 is a deficient number, since it is larger than the sum of its proper divisors (315187567732).

630375135458 is a wasteful number, since it uses less digits than its factorization.

630375135458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315187567731.

The product of its (nonzero) digits is 4536000, while the sum is 50.

The spelling of 630375135458 in words is "six hundred thirty billion, three hundred seventy-five million, one hundred thirty-five thousand, four hundred fifty-eight".