42990918083 has 2 divisors, whose sum is σ = 42990918084. Its totient is φ = 42990918082.

The previous prime is 42990918053. The next prime is 42990918161. The reversal of 42990918083 is 38081909924.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42990918083 is a prime.

It is a super-4 number, since 4×42990918083⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not a weakly prime, because it can be changed into another prime (42990918053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21495459041 + 21495459042.

It is an arithmetic number, because the mean of its divisors is an integer number (21495459042).

Almost surely, 2^42990918083 is an apocalyptic number.

42990918083 is a deficient number, since it is larger than the sum of its proper divisors (1).

42990918083 is an equidigital number, since it uses as much as digits as its factorization.

42990918083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 42990918083 in words is "forty-two billion, nine hundred ninety million, nine hundred eighteen thousand, eighty-three".