1040373013 has 2 divisors, whose sum is σ = 1040373014. Its totient is φ = 1040373012.

The previous prime is 1040373001. The next prime is 1040373017. The reversal of 1040373013 is 3103730401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 893890404 + 146482609 = 29898^2 + 12103^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040373013 - 2¹⁷ = 1040241941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040373017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520186506 + 520186507.

It is an arithmetic number, because the mean of its divisors is an integer number (520186507).

Almost surely, 2^1040373013 is an apocalyptic number.

It is an amenable number.

1040373013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040373013 is an equidigital number, since it uses as much as digits as its factorization.

1040373013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 1040373013 is about 32254.8137957732. The cubic root of 1040373013 is about 1013.2805180686.

The spelling of 1040373013 in words is "one billion, forty million, three hundred seventy-three thousand, thirteen".