630061374874077 has 6 divisors (see below), whose sum is σ = 910088652595902. Its totient is φ = 420040916582712.

The previous prime is 630061374874067. The next prime is 630061374874117. The reversal of 630061374874077 is 770478473160036.

It is a happy number.

630061374874077 is a `hidden beast` number, since 6 + 3 + 0 + 0 + 613 + 7 + 4 + 8 + 7 + 4 + 0 + 7 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 603129696572601 + 26931678301476 = 24558699^2 + 5189574^2 .

It is not a de Polignac number, because 630061374874077 - 2¹⁵ = 630061374841309 is a prime.

It is a super-2 number, since 2×630061374874077² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630061374874067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35003409715218 + ... + 35003409715235.

It is an arithmetic number, because the mean of its divisors is an integer number (151681442099317).

Almost surely, 2^{630061374874077} is an apocalyptic number.

It is an amenable number.

630061374874077 is a deficient number, since it is larger than the sum of its proper divisors (280027277721825).

630061374874077 is a wasteful number, since it uses less digits than its factorization.

630061374874077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70006819430459 (or 70006819430456 counting only the distinct ones).

The product of its (nonzero) digits is 99574272, while the sum is 63.

The spelling of 630061374874077 in words is "six hundred thirty trillion, sixty-one billion, three hundred seventy-four million, eight hundred seventy-four thousand, seventy-seven".