40130783437 has 2 divisors, whose sum is σ = 40130783438. Its totient is φ = 40130783436.

The previous prime is 40130783411. The next prime is 40130783447. The reversal of 40130783437 is 73438703104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20538902596 + 19591880841 = 143314^2 + 139971^2 .

It is a cyclic number.

It is not a de Polignac number, because 40130783437 - 2⁷ = 40130783309 is a prime.

It is a super-2 number, since 2×40130783437² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40130783437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40130783447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20065391718 + 20065391719.

It is an arithmetic number, because the mean of its divisors is an integer number (20065391719).

Almost surely, 2^40130783437 is an apocalyptic number.

It is an amenable number.

40130783437 is a deficient number, since it is larger than the sum of its proper divisors (1).

40130783437 is an equidigital number, since it uses as much as digits as its factorization.

40130783437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 40130783437 in words is "forty billion, one hundred thirty million, seven hundred eighty-three thousand, four hundred thirty-seven".