373354987997 has 2 divisors, whose sum is σ = 373354987998. Its totient is φ = 373354987996.

The previous prime is 373354987933. The next prime is 373354988009. The reversal of 373354987997 is 799789453373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341311839961 + 32043148036 = 584219^2 + 179006^2 .

It is a cyclic number.

It is not a de Polignac number, because 373354987997 - 2⁶ = 373354987933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (373354981997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186677493998 + 186677493999.

It is an arithmetic number, because the mean of its divisors is an integer number (186677493999).

Almost surely, 2^373354987997 is an apocalyptic number.

It is an amenable number.

373354987997 is a deficient number, since it is larger than the sum of its proper divisors (1).

373354987997 is an equidigital number, since it uses as much as digits as its factorization.

373354987997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080203040, while the sum is 74.

The spelling of 373354987997 in words is "three hundred seventy-three billion, three hundred fifty-four million, nine hundred eighty-seven thousand, nine hundred ninety-seven".