42402990943 has 2 divisors, whose sum is σ = 42402990944. Its totient is φ = 42402990942.

The previous prime is 42402990857. The next prime is 42402990961. The reversal of 42402990943 is 34909920424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42402990943 - 2²⁵ = 42369436511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42402990893 and 42402990902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42402993943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21201495471 + 21201495472.

It is an arithmetic number, because the mean of its divisors is an integer number (21201495472).

Almost surely, 2^42402990943 is an apocalyptic number.

42402990943 is a deficient number, since it is larger than the sum of its proper divisors (1).

42402990943 is an equidigital number, since it uses as much as digits as its factorization.

42402990943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 42402990943 in words is "forty-two billion, four hundred two million, nine hundred ninety thousand, nine hundred forty-three".