1042586971939 has 2 divisors, whose sum is σ = 1042586971940. Its totient is φ = 1042586971938.

The previous prime is 1042586971931. The next prime is 1042586971961. The reversal of 1042586971939 is 9391796852401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042586971939 - 2³ = 1042586971931 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042586971931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521293485969 + 521293485970.

It is an arithmetic number, because the mean of its divisors is an integer number (521293485970).

It is a 1-persistent number, because it is pandigital, but 2⋅1042586971939 = 2085173943878 is not.

Almost surely, 2^{1042586971939} is an apocalyptic number.

1042586971939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042586971939 is an equidigital number, since it uses as much as digits as its factorization.

1042586971939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29393280, while the sum is 64.

The spelling of 1042586971939 in words is "one trillion, forty-two billion, five hundred eighty-six million, nine hundred seventy-one thousand, nine hundred thirty-nine".