42830722479491 has 2 divisors, whose sum is σ = 42830722479492. Its totient is φ = 42830722479490.

The previous prime is 42830722479421. The next prime is 42830722479509. The reversal of 42830722479491 is 19497422703824.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42830722479491 is a prime.

It is not a weakly prime, because it can be changed into another prime (42830722479421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21415361239745 + 21415361239746.

It is an arithmetic number, because the mean of its divisors is an integer number (21415361239746).

Almost surely, 2^{42830722479491} is an apocalyptic number.

42830722479491 is a deficient number, since it is larger than the sum of its proper divisors (1).

42830722479491 is an equidigital number, since it uses as much as digits as its factorization.

42830722479491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48771072, while the sum is 62.

The spelling of 42830722479491 in words is "forty-two trillion, eight hundred thirty billion, seven hundred twenty-two million, four hundred seventy-nine thousand, four hundred ninety-one".