376320196981 has 2 divisors, whose sum is σ = 376320196982. Its totient is φ = 376320196980.

The previous prime is 376320196927. The next prime is 376320197101. The reversal of 376320196981 is 189691023673.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272239758756 + 104080438225 = 521766^2 + 322615^2 .

It is a cyclic number.

It is not a de Polignac number, because 376320196981 - 2³⁵ = 341960458613 is a prime.

It is a super-2 number, since 2×376320196981² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (376320191981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188160098490 + 188160098491.

It is an arithmetic number, because the mean of its divisors is an integer number (188160098491).

Almost surely, 2^376320196981 is an apocalyptic number.

It is an amenable number.

376320196981 is a deficient number, since it is larger than the sum of its proper divisors (1).

376320196981 is an equidigital number, since it uses as much as digits as its factorization.

376320196981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The spelling of 376320196981 in words is "three hundred seventy-six billion, three hundred twenty million, one hundred ninety-six thousand, nine hundred eighty-one".