42154410539 has 2 divisors, whose sum is σ = 42154410540. Its totient is φ = 42154410538.

The previous prime is 42154410491. The next prime is 42154410581. The reversal of 42154410539 is 93501445124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42154410539 - 2¹² = 42154406443 is a prime.

It is not a weakly prime, because it can be changed into another prime (42154410589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21077205269 + 21077205270.

It is an arithmetic number, because the mean of its divisors is an integer number (21077205270).

Almost surely, 2^42154410539 is an apocalyptic number.

42154410539 is a deficient number, since it is larger than the sum of its proper divisors (1).

42154410539 is an equidigital number, since it uses as much as digits as its factorization.

42154410539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 42154410539 in words is "forty-two billion, one hundred fifty-four million, four hundred ten thousand, five hundred thirty-nine".