627134665423 has 6 divisors (see below), whose sum is σ = 716727726456. Its totient is φ = 537542203032.

The previous prime is 627134665397. The next prime is 627134665427. The reversal of 627134665423 is 324566431726.

It is not a de Polignac number, because 627134665423 - 2¹³ = 627134657231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627134665427) 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, 1945561 + ... + 2244877.

It is an arithmetic number, because the mean of its divisors is an integer number (119454621076).

Almost surely, 2^627134665423 is an apocalyptic number.

627134665423 is a deficient number, since it is larger than the sum of its proper divisors (89593061033).

627134665423 is an frugal number, since it uses more digits than its factorization.

627134665423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598641 (or 299324 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 49.

The spelling of 627134665423 in words is "six hundred twenty-seven billion, one hundred thirty-four million, six hundred sixty-five thousand, four hundred twenty-three".