40293751013 has 2 divisors, whose sum is σ = 40293751014. Its totient is φ = 40293751012.

The previous prime is 40293750967. The next prime is 40293751019. The reversal of 40293751013 is 31015739204.

40293751013 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 can be written as a sum of positive squares in only one way, i.e., 37860598084 + 2433152929 = 194578^2 + 49327^2 .

It is a cyclic number.

It is not a de Polignac number, because 40293751013 - 2¹⁰ = 40293749989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40293751019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20146875506 + 20146875507.

It is an arithmetic number, because the mean of its divisors is an integer number (20146875507).

Almost surely, 2^40293751013 is an apocalyptic number.

It is an amenable number.

40293751013 is a deficient number, since it is larger than the sum of its proper divisors (1).

40293751013 is an equidigital number, since it uses as much as digits as its factorization.

40293751013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 40293751013 in words is "forty billion, two hundred ninety-three million, seven hundred fifty-one thousand, thirteen".