2990666619 has 12 divisors (see below), whose sum is σ = 4320432376. Its totient is φ = 1993509792.

The previous prime is 2990666617. The next prime is 2990666647. The reversal of 2990666619 is 9166660992.

It is a happy number.

It is not a de Polignac number, because 2990666619 - 2¹ = 2990666617 is a prime.

It is a super-2 number, since 2×2990666619² = 17888173652001782322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2990666611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67284 + ... + 102510.

Almost surely, 2^2990666619 is an apocalyptic number.

2990666619 is a deficient number, since it is larger than the sum of its proper divisors (1329765757).

2990666619 is a wasteful number, since it uses less digits than its factorization.

2990666619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44666 (or 44663 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 54.

The square root of 2990666619 is about 54686.9876570286. The cubic root of 2990666619 is about 1440.7523426842.

The spelling of 2990666619 in words is "two billion, nine hundred ninety million, six hundred sixty-six thousand, six hundred nineteen".