3650449979 has 6 divisors (see below), whose sum is σ = 3982527684. Its totient is φ = 3318408720.

The previous prime is 3650449939. The next prime is 3650450009. The reversal of 3650449979 is 9799440563.

It is not a de Polignac number, because 3650449979 - 2²⁰ = 3649401403 is a prime.

It is a super-2 number, since 2×3650449979² = 26651570098362200882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3650449939) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 191279 + ... + 209495.

It is an arithmetic number, because the mean of its divisors is an integer number (663754614).

Almost surely, 2^3650449979 is an apocalyptic number.

3650449979 is a deficient number, since it is larger than the sum of its proper divisors (332077705).

3650449979 is an frugal number, since it uses more digits than its factorization.

3650449979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36445 (or 18228 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 56.

The square root of 3650449979 is about 60418.9538059043. The cubic root of 3650449979 is about 1539.7449933358.

The spelling of 3650449979 in words is "three billion, six hundred fifty million, four hundred forty-nine thousand, nine hundred seventy-nine".