42156062999 has 2 divisors, whose sum is σ = 42156063000. Its totient is φ = 42156062998.

The previous prime is 42156062941. The next prime is 42156063013. The reversal of 42156062999 is 99926065124.

It is a happy number.

42156062999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42156062999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42156062999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42156062909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21078031499 + 21078031500.

It is an arithmetic number, because the mean of its divisors is an integer number (21078031500).

Almost surely, 2^42156062999 is an apocalyptic number.

42156062999 is a deficient number, since it is larger than the sum of its proper divisors (1).

42156062999 is an equidigital number, since it uses as much as digits as its factorization.

42156062999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 42156062999 in words is "forty-two billion, one hundred fifty-six million, sixty-two thousand, nine hundred ninety-nine".