37902983365493 has 2 divisors, whose sum is σ = 37902983365494. Its totient is φ = 37902983365492.

The previous prime is 37902983365417. The next prime is 37902983365543. The reversal of 37902983365493 is 39456338920973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25185322176004 + 12717661189489 = 5018498^2 + 3566183^2 .

It is a cyclic number.

It is not a de Polignac number, because 37902983365493 - 2⁸ = 37902983365237 is a prime.

It is a super-2 number, since 2×37902983365493² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37902983365993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18951491682746 + 18951491682747.

It is an arithmetic number, because the mean of its divisors is an integer number (18951491682747).

Almost surely, 2^{37902983365493} is an apocalyptic number.

It is an amenable number.

37902983365493 is a deficient number, since it is larger than the sum of its proper divisors (1).

37902983365493 is an equidigital number, since it uses as much as digits as its factorization.

37902983365493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 793618560, while the sum is 71.

The spelling of 37902983365493 in words is "thirty-seven trillion, nine hundred two billion, nine hundred eighty-three million, three hundred sixty-five thousand, four hundred ninety-three".