40631004693 has 6 divisors (see below), whose sum is σ = 58689229014. Its totient is φ = 27087336456.

The previous prime is 40631004679. The next prime is 40631004707. The reversal of 40631004693 is 39640013604.

It is an interprime number because it is at equal distance from previous prime (40631004679) and next prime (40631004707).

It can be written as a sum of positive squares in only one way, i.e., 31487437809 + 9143566884 = 177447^2 + 95622^2 .

It is not a de Polignac number, because 40631004693 - 2⁸ = 40631004437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40631004653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2257278030 + ... + 2257278047.

It is an arithmetic number, because the mean of its divisors is an integer number (9781538169).

Almost surely, 2^40631004693 is an apocalyptic number.

It is an amenable number.

40631004693 is a deficient number, since it is larger than the sum of its proper divisors (18058224321).

40631004693 is a wasteful number, since it uses less digits than its factorization.

40631004693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514556083 (or 4514556080 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 40631004693 in words is "forty billion, six hundred thirty-one million, four thousand, six hundred ninety-three".