542678699 has 2 divisors, whose sum is σ = 542678700. Its totient is φ = 542678698.

The previous prime is 542678687. The next prime is 542678701. The reversal of 542678699 is 996876245.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542678699 - 2⁸ = 542678443 is a prime.

Together with 542678701, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (542678659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271339349 + 271339350.

It is an arithmetic number, because the mean of its divisors is an integer number (271339350).

Almost surely, 2^542678699 is an apocalyptic number.

542678699 is a deficient number, since it is larger than the sum of its proper divisors (1).

542678699 is an equidigital number, since it uses as much as digits as its factorization.

542678699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 56.

The square root of 542678699 is about 23295.4652024809. The cubic root of 542678699 is about 815.6695660660.

The spelling of 542678699 in words is "five hundred forty-two million, six hundred seventy-eight thousand, six hundred ninety-nine".