42037660867 has 2 divisors, whose sum is σ = 42037660868. Its totient is φ = 42037660866.

The previous prime is 42037660853. The next prime is 42037660891. The reversal of 42037660867 is 76806673024.

42037660867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42037660867 - 2⁷ = 42037660739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42037660867.

It is not a weakly prime, because it can be changed into another prime (42037660967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21018830433 + 21018830434.

It is an arithmetic number, because the mean of its divisors is an integer number (21018830434).

Almost surely, 2^42037660867 is an apocalyptic number.

42037660867 is a deficient number, since it is larger than the sum of its proper divisors (1).

42037660867 is an equidigital number, since it uses as much as digits as its factorization.

42037660867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 42037660867 in words is "forty-two billion, thirty-seven million, six hundred sixty thousand, eight hundred sixty-seven".