3837974381 has 2 divisors, whose sum is σ = 3837974382. Its totient is φ = 3837974380.

The previous prime is 3837974359. The next prime is 3837974411. The reversal of 3837974381 is 1834797383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1981140100 + 1856834281 = 44510^2 + 43091^2 .

It is a cyclic number.

It is not a de Polignac number, because 3837974381 - 2¹⁰ = 3837973357 is a prime.

It is a super-2 number, since 2×3837974381² = 29460094698424666322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3837974311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1918987190 + 1918987191.

It is an arithmetic number, because the mean of its divisors is an integer number (1918987191).

Almost surely, 2^3837974381 is an apocalyptic number.

It is an amenable number.

3837974381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3837974381 is an equidigital number, since it uses as much as digits as its factorization.

3837974381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 53.

The square root of 3837974381 is about 61951.3872403193. The cubic root of 3837974381 is about 1565.6716597640.

The spelling of 3837974381 in words is "three billion, eight hundred thirty-seven million, nine hundred seventy-four thousand, three hundred eighty-one".