538297490155 has 16 divisors (see below), whose sum is σ = 669615452640. Its totient is φ = 415083232512.

The previous prime is 538297490153. The next prime is 538297490173. The reversal of 538297490155 is 551094792835.

It is a cyclic number.

It is not a de Polignac number, because 538297490155 - 2¹ = 538297490153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538297490155.

It is not an unprimeable number, because it can be changed into a prime (538297490153) 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, 13577010 + ... + 13616599.

It is an arithmetic number, because the mean of its divisors is an integer number (41850965790).

Almost surely, 2^538297490155 is an apocalyptic number.

538297490155 is a deficient number, since it is larger than the sum of its proper divisors (131317962485).

538297490155 is a wasteful number, since it uses less digits than its factorization.

538297490155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27193758.

The product of its (nonzero) digits is 13608000, while the sum is 58.

The spelling of 538297490155 in words is "five hundred thirty-eight billion, two hundred ninety-seven million, four hundred ninety thousand, one hundred fifty-five".