3679399081 has 4 divisors (see below), whose sum is σ = 3769140564. Its totient is φ = 3589657600.

The previous prime is 3679399069. The next prime is 3679399111. The reversal of 3679399081 is 1809939763.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 749883456 + 2929515625 = 27384^2 + 54125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3679399081 is a prime.

It is a super-2 number, since 2×3679399081² = 27075955194527289122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3679399481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44870680 + ... + 44870761.

It is an arithmetic number, because the mean of its divisors is an integer number (942285141).

Almost surely, 2^3679399081 is an apocalyptic number.

It is an amenable number.

3679399081 is a deficient number, since it is larger than the sum of its proper divisors (89741483).

3679399081 is an equidigital number, since it uses as much as digits as its factorization.

3679399081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89741482.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The square root of 3679399081 is about 60658.0504220174. The cubic root of 3679399081 is about 1543.8044857951.

The spelling of 3679399081 in words is "three billion, six hundred seventy-nine million, three hundred ninety-nine thousand, eighty-one".