634051283377 has 2 divisors, whose sum is σ = 634051283378. Its totient is φ = 634051283376.

The previous prime is 634051283351. The next prime is 634051283399. The reversal of 634051283377 is 773382150436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 620060178721 + 13991104656 = 787439^2 + 118284^2 .

It is a cyclic number.

It is not a de Polignac number, because 634051283377 - 2²³ = 634042894769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 634051283377.

It is not a weakly prime, because it can be changed into another prime (634051283777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317025641688 + 317025641689.

It is an arithmetic number, because the mean of its divisors is an integer number (317025641689).

Almost surely, 2^634051283377 is an apocalyptic number.

It is an amenable number.

634051283377 is a deficient number, since it is larger than the sum of its proper divisors (1).

634051283377 is an equidigital number, since it uses as much as digits as its factorization.

634051283377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 634051283377 in words is "six hundred thirty-four billion, fifty-one million, two hundred eighty-three thousand, three hundred seventy-seven".