3874837081 has 8 divisors (see below), whose sum is σ = 4103325000. Its totient is φ = 3646411008.

The previous prime is 3874837069. The next prime is 3874837091. The reversal of 3874837081 is 1807384783.

It can be written as a sum of positive squares in 4 ways, for example, as 407393856 + 3467443225 = 20184^2 + 58885^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3874837081 - 2¹⁷ = 3874706009 is a prime.

It is a super-2 number, since 2×3874837081² = 30028724808585201122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3874837091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197295 + ... + 216043.

It is an arithmetic number, because the mean of its divisors is an integer number (512915625).

Almost surely, 2^3874837081 is an apocalyptic number.

It is an amenable number.

3874837081 is a deficient number, since it is larger than the sum of its proper divisors (228487919).

3874837081 is a wasteful number, since it uses less digits than its factorization.

3874837081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30923.

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 3874837081 is about 62248.1893792904. The cubic root of 3874837081 is about 1570.6683133885.

The spelling of 3874837081 in words is "three billion, eight hundred seventy-four million, eight hundred thirty-seven thousand, eighty-one".