3676400381 has 2 divisors, whose sum is σ = 3676400382. Its totient is φ = 3676400380.

The previous prime is 3676400323. The next prime is 3676400393. The reversal of 3676400381 is 1830046763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3279394756 + 397005625 = 57266^2 + 19925^2 .

It is a cyclic number.

It is not a de Polignac number, because 3676400381 - 2¹⁸ = 3676138237 is a prime.

It is a super-2 number, since 2×3676400381² = 27031839522833890322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3676400881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1838200190 + 1838200191.

It is an arithmetic number, because the mean of its divisors is an integer number (1838200191).

Almost surely, 2^3676400381 is an apocalyptic number.

It is an amenable number.

3676400381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3676400381 is an equidigital number, since it uses as much as digits as its factorization.

3676400381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 3676400381 is about 60633.3273126257. The cubic root of 3676400381 is about 1543.3849730223.

The spelling of 3676400381 in words is "three billion, six hundred seventy-six million, four hundred thousand, three hundred eighty-one".