373864689761 has 2 divisors, whose sum is σ = 373864689762. Its totient is φ = 373864689760.

The previous prime is 373864689713. The next prime is 373864689787. The reversal of 373864689761 is 167986468373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 359707259536 + 14157430225 = 599756^2 + 118985^2 .

It is an emirp because it is prime and its reverse (167986468373) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 373864689761 - 2¹⁸ = 373864427617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 373864689691 and 373864689700.

It is not a weakly prime, because it can be changed into another prime (373864689161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186932344880 + 186932344881.

It is an arithmetic number, because the mean of its divisors is an integer number (186932344881).

Almost surely, 2^373864689761 is an apocalyptic number.

It is an amenable number.

373864689761 is a deficient number, since it is larger than the sum of its proper divisors (1).

373864689761 is an equidigital number, since it uses as much as digits as its factorization.

373864689761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 219469824, while the sum is 68.

The spelling of 373864689761 in words is "three hundred seventy-three billion, eight hundred sixty-four million, six hundred eighty-nine thousand, seven hundred sixty-one".