542349866051 has 8 divisors (see below), whose sum is σ = 641201812320. Its totient is φ = 448841268288.

The previous prime is 542349865969. The next prime is 542349866119. The reversal of 542349866051 is 150668943245.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542349866051 - 2¹⁸ = 542349603907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542349865984 and 542349866002.

It is not an unprimeable number, because it can be changed into a prime (542349860051) 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, 1335836906 + ... + 1335837311.

It is an arithmetic number, because the mean of its divisors is an integer number (80150226540).

Almost surely, 2^542349866051 is an apocalyptic number.

542349866051 is a deficient number, since it is larger than the sum of its proper divisors (98851946269).

542349866051 is a wasteful number, since it uses less digits than its factorization.

542349866051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671674253.

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 542349866051 in words is "five hundred forty-two billion, three hundred forty-nine million, eight hundred sixty-six thousand, fifty-one".