373732544881 has 2 divisors, whose sum is σ = 373732544882. Its totient is φ = 373732544880.

The previous prime is 373732544839. The next prime is 373732544921. The reversal of 373732544881 is 188445237373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339470534881 + 34262010000 = 582641^2 + 185100^2 .

It is a cyclic number.

It is not a de Polignac number, because 373732544881 - 2⁷ = 373732544753 is a prime.

It is a super-2 number, since 2×373732544881² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (373732544821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186866272440 + 186866272441.

It is an arithmetic number, because the mean of its divisors is an integer number (186866272441).

Almost surely, 2^373732544881 is an apocalyptic number.

It is an amenable number.

373732544881 is a deficient number, since it is larger than the sum of its proper divisors (1).

373732544881 is an equidigital number, since it uses as much as digits as its factorization.

373732544881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13547520, while the sum is 55.

The spelling of 373732544881 in words is "three hundred seventy-three billion, seven hundred thirty-two million, five hundred forty-four thousand, eight hundred eighty-one".