13840789762973 has 2 divisors, whose sum is σ = 13840789762974. Its totient is φ = 13840789762972.

The previous prime is 13840789762859. The next prime is 13840789762981. The reversal of 13840789762973 is 37926798704831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9405372645124 + 4435417117849 = 3066818^2 + 2106043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13840789762973 is a prime.

It is a super-2 number, since 2×13840789762973² (a number of 27 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 13840789762973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13840789762573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6920394881486 + 6920394881487.

It is an arithmetic number, because the mean of its divisors is an integer number (6920394881487).

Almost surely, 2^{13840789762973} is an apocalyptic number.

It is an amenable number.

13840789762973 is a deficient number, since it is larger than the sum of its proper divisors (1).

13840789762973 is an equidigital number, since it uses as much as digits as its factorization.

13840789762973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768144384, while the sum is 74.

The spelling of 13840789762973 in words is "thirteen trillion, eight hundred forty billion, seven hundred eighty-nine million, seven hundred sixty-two thousand, nine hundred seventy-three".