3699959979 has 4 divisors (see below), whose sum is σ = 4933279976. Its totient is φ = 2466639984.

The previous prime is 3699959947. The next prime is 3699959981. The reversal of 3699959979 is 9799599963.

3699959979 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3699959979 - 2⁵ = 3699959947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3699959979.

It is not an unprimeable number, because it can be changed into a prime (3699959999) 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, 616659994 + ... + 616659999.

It is an arithmetic number, because the mean of its divisors is an integer number (1233319994).

Almost surely, 2^3699959979 is an apocalyptic number.

3699959979 is a deficient number, since it is larger than the sum of its proper divisors (1233319997).

3699959979 is a wasteful number, since it uses less digits than its factorization.

3699959979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233319996.

The product of its digits is 334807830, while the sum is 75.

The square root of 3699959979 is about 60827.2963314991. The cubic root of 3699959979 is about 1546.6747972028.

The spelling of 3699959979 in words is "three billion, six hundred ninety-nine million, nine hundred fifty-nine thousand, nine hundred seventy-nine".