542364306691 has 2 divisors, whose sum is σ = 542364306692. Its totient is φ = 542364306690.

The previous prime is 542364306641. The next prime is 542364306697. The reversal of 542364306691 is 196603463245.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542364306691 is a prime.

It is not a weakly prime, because it can be changed into another prime (542364306697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271182153345 + 271182153346.

It is an arithmetic number, because the mean of its divisors is an integer number (271182153346).

Almost surely, 2^542364306691 is an apocalyptic number.

542364306691 is a deficient number, since it is larger than the sum of its proper divisors (1).

542364306691 is an equidigital number, since it uses as much as digits as its factorization.

542364306691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 49.

The spelling of 542364306691 in words is "five hundred forty-two billion, three hundred sixty-four million, three hundred six thousand, six hundred ninety-one".