542299811949 has 72 divisors (see below), whose sum is σ = 914002657152. Its totient is φ = 308938069440.

The previous prime is 542299811909. The next prime is 542299811987. The reversal of 542299811949 is 949118992245.

542299811949 is a `hidden beast` number, since 5 + 422 + 9 + 98 + 119 + 4 + 9 = 666.

It is not a de Polignac number, because 542299811949 - 2²⁰ = 542298763373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542299811909) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 304149312 + ... + 304151094.

Almost surely, 2^542299811949 is an apocalyptic number.

It is an amenable number.

542299811949 is a deficient number, since it is larger than the sum of its proper divisors (371702845203).

542299811949 is a wasteful number, since it uses less digits than its factorization.

542299811949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527 (or 3517 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 63.

The spelling of 542299811949 in words is "five hundred forty-two billion, two hundred ninety-nine million, eight hundred eleven thousand, nine hundred forty-nine".