539766374399 has 16 divisors (see below), whose sum is σ = 636839325696. Its totient is φ = 447687302400.

The previous prime is 539766374377. The next prime is 539766374449. The reversal of 539766374399 is 993473667935.

It is a cyclic number.

It is not a de Polignac number, because 539766374399 - 2⁸ = 539766374143 is a prime.

It is a super-2 number, since 2×539766374399² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539766374339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2122814 + ... + 2363444.

It is an arithmetic number, because the mean of its divisors is an integer number (39802457856).

Almost surely, 2^539766374399 is an apocalyptic number.

539766374399 is a deficient number, since it is larger than the sum of its proper divisors (97072951297).

539766374399 is a wasteful number, since it uses less digits than its factorization.

539766374399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251006.

The product of its digits is 694416240, while the sum is 71.

The spelling of 539766374399 in words is "five hundred thirty-nine billion, seven hundred sixty-six million, three hundred seventy-four thousand, three hundred ninety-nine".