6318630318442 has 16 divisors (see below), whose sum is σ = 10259904319560. Its totient is φ = 2901180598272.

The previous prime is 6318630318431. The next prime is 6318630318487. The reversal of 6318630318442 is 2448130368136.

It can be written as a sum of positive squares in 4 ways, for example, as 5642862471841 + 675767846601 = 2375471^2 + 822051^2 .

It is a super-2 number, since 2×6318630318442² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629591467 + ... + 629601502.

Almost surely, 2^{6318630318442} is an apocalyptic number.

6318630318442 is a deficient number, since it is larger than the sum of its proper divisors (3941274001118).

6318630318442 is a wasteful number, since it uses less digits than its factorization.

6318630318442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259193177.

The product of its (nonzero) digits is 1990656, while the sum is 49.

The spelling of 6318630318442 in words is "six trillion, three hundred eighteen billion, six hundred thirty million, three hundred eighteen thousand, four hundred forty-two".