542898505898245 has 32 divisors (see below), whose sum is σ = 745703408556288. Its totient is φ = 371695172986368.

The previous prime is 542898505898167. The next prime is 542898505898249.

542898505898245 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-542898505898245 is a prime.

It is a super-2 number, since 2×542898505898245² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542898505898249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69766047 + ... + 77156323.

It is an arithmetic number, because the mean of its divisors is an integer number (23303231517384).

Almost surely, 2^{542898505898245} is an apocalyptic number.

It is an amenable number.

542898505898245 is a deficient number, since it is larger than the sum of its proper divisors (202804902658043).

542898505898245 is a wasteful number, since it uses less digits than its factorization.

542898505898245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7393549.

The product of its (nonzero) digits is 13271040000, while the sum is 82.

The spelling of 542898505898245 in words is "five hundred forty-two trillion, eight hundred ninety-eight billion, five hundred five million, eight hundred ninety-eight thousand, two hundred forty-five".