630847349489 has 12 divisors (see below), whose sum is σ = 765873008064. Its totient is φ = 508918868544.

The previous prime is 630847349423. The next prime is 630847349519. The reversal of 630847349489 is 984943748036.

630847349489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 630847349489 - 2³⁶ = 562127872753 is a prime.

It is a super-2 number, since 2×630847349489² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630847349389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155916749 + ... + 155920794.

It is an arithmetic number, because the mean of its divisors is an integer number (63822750672).

Almost surely, 2^630847349489 is an apocalyptic number.

It is an amenable number.

630847349489 is a deficient number, since it is larger than the sum of its proper divisors (135025658575).

630847349489 is a wasteful number, since it uses less digits than its factorization.

630847349489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311837584 (or 311837567 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 65.

The spelling of 630847349489 in words is "six hundred thirty billion, eight hundred forty-seven million, three hundred forty-nine thousand, four hundred eighty-nine".