42360984691 has 2 divisors, whose sum is σ = 42360984692. Its totient is φ = 42360984690.

The previous prime is 42360984629. The next prime is 42360984733. The reversal of 42360984691 is 19648906324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42360984691 - 2³³ = 33771050099 is a prime.

It is a super-2 number, since 2×42360984691² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42360934691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21180492345 + 21180492346.

It is an arithmetic number, because the mean of its divisors is an integer number (21180492346).

Almost surely, 2^42360984691 is an apocalyptic number.

42360984691 is a deficient number, since it is larger than the sum of its proper divisors (1).

42360984691 is an equidigital number, since it uses as much as digits as its factorization.

42360984691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 42360984691 in words is "forty-two billion, three hundred sixty million, nine hundred eighty-four thousand, six hundred ninety-one".