630909417642 has 16 divisors (see below), whose sum is σ = 1442078668992. Its totient is φ = 180259833600.

The previous prime is 630909417601. The next prime is 630909417689. The reversal of 630909417642 is 246714909036.

It is a happy number.

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, 7510826359 + ... + 7510826442.

It is an arithmetic number, because the mean of its divisors is an integer number (90129916812).

Almost surely, 2^630909417642 is an apocalyptic number.

630909417642 is an abundant number, since it is smaller than the sum of its proper divisors (811169251350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630909417642 is a wasteful number, since it uses less digits than its factorization.

630909417642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15021652813.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 630909417642 in words is "six hundred thirty billion, nine hundred nine million, four hundred seventeen thousand, six hundred forty-two".