373662266381 has 2 divisors, whose sum is σ = 373662266382. Its totient is φ = 373662266380.

The previous prime is 373662266347. The next prime is 373662266399. The reversal of 373662266381 is 183662266373.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241936096900 + 131726169481 = 491870^2 + 362941^2 .

It is a cyclic number.

It is not a de Polignac number, because 373662266381 - 2³⁴ = 356482397197 is a prime.

It is a super-2 number, since 2×373662266381² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (373662262381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186831133190 + 186831133191.

It is an arithmetic number, because the mean of its divisors is an integer number (186831133191).

Almost surely, 2^373662266381 is an apocalyptic number.

It is an amenable number.

373662266381 is a deficient number, since it is larger than the sum of its proper divisors (1).

373662266381 is an equidigital number, since it uses as much as digits as its factorization.

373662266381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 53.

The spelling of 373662266381 in words is "three hundred seventy-three billion, six hundred sixty-two million, two hundred sixty-six thousand, three hundred eighty-one".