42350998939 has 2 divisors, whose sum is σ = 42350998940. Its totient is φ = 42350998938.

The previous prime is 42350998933. The next prime is 42350998973. The reversal of 42350998939 is 93989905324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42350998939 - 2⁹ = 42350998427 is a prime.

It is a super-2 number, since 2×42350998939² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42350998933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21175499469 + 21175499470.

It is an arithmetic number, because the mean of its divisors is an integer number (21175499470).

Almost surely, 2^42350998939 is an apocalyptic number.

42350998939 is a deficient number, since it is larger than the sum of its proper divisors (1).

42350998939 is an equidigital number, since it uses as much as digits as its factorization.

42350998939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18895680, while the sum is 61.

The spelling of 42350998939 in words is "forty-two billion, three hundred fifty million, nine hundred ninety-eight thousand, nine hundred thirty-nine".