538215276711764 has 24 divisors (see below), whose sum is σ = 942629361091488. Its totient is φ = 268892608851680.

The previous prime is 538215276711731. The next prime is 538215276711769. The reversal of 538215276711764 is 467117672512835.

It is a self number, because there is not a number n which added to its sum of digits gives 538215276711764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538215276711769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331839299 + ... + 333457269.

It is an arithmetic number, because the mean of its divisors is an integer number (39276223378812).

Almost surely, 2^{538215276711764} is an apocalyptic number.

It is an amenable number.

538215276711764 is a deficient number, since it is larger than the sum of its proper divisors (404414084379724).

538215276711764 is a wasteful number, since it uses less digits than its factorization.

538215276711764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684375 (or 1684373 counting only the distinct ones).

The product of its digits is 118540800, while the sum is 65.

The spelling of 538215276711764 in words is "five hundred thirty-eight trillion, two hundred fifteen billion, two hundred seventy-six million, seven hundred eleven thousand, seven hundred sixty-four".