542393619 has 16 divisors (see below), whose sum is σ = 786430368. Its totient is φ = 331126272.

The previous prime is 542393611. The next prime is 542393623. The reversal of 542393619 is 916393245.

It is a happy number.

It is not a de Polignac number, because 542393619 - 2³ = 542393611 is a prime.

It is a super-2 number, since 2×542393619² = 588381675863834322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (542393611) 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, 141832 + ... + 145605.

It is an arithmetic number, because the mean of its divisors is an integer number (49151898).

Almost surely, 2^542393619 is an apocalyptic number.

542393619 is a deficient number, since it is larger than the sum of its proper divisors (244036749).

542393619 is a wasteful number, since it uses less digits than its factorization.

542393619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287494.

The product of its digits is 174960, while the sum is 42.

The square root of 542393619 is about 23289.3456112446. The cubic root of 542393619 is about 815.5267118566.

The spelling of 542393619 in words is "five hundred forty-two million, three hundred ninety-three thousand, six hundred nineteen".