634486314349 has 4 divisors (see below), whose sum is σ = 640307289820. Its totient is φ = 628665338880.

The previous prime is 634486314347. The next prime is 634486314359. The reversal of 634486314349 is 943413684436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 237563634025 + 396922680324 = 487405^2 + 630018^2 .

It is a cyclic number.

It is not a de Polignac number, because 634486314349 - 2¹ = 634486314347 is a prime.

It is a super-3 number, since 3×634486314349³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 634486314349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634486314347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2910487572 + ... + 2910487789.

It is an arithmetic number, because the mean of its divisors is an integer number (160076822455).

Almost surely, 2^634486314349 is an apocalyptic number.

It is an amenable number.

634486314349 is a deficient number, since it is larger than the sum of its proper divisors (5820975471).

634486314349 is a wasteful number, since it uses less digits than its factorization.

634486314349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820975470.

The product of its digits is 17915904, while the sum is 55.

The spelling of 634486314349 in words is "six hundred thirty-four billion, four hundred eighty-six million, three hundred fourteen thousand, three hundred forty-nine".