2649890119 has 4 divisors (see below), whose sum is σ = 2789358040. Its totient is φ = 2510422200.

The previous prime is 2649890107. The next prime is 2649890123. The reversal of 2649890119 is 9110989462.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9110989462 = 2 ⋅4555494731.

It is a cyclic number.

It is not a de Polignac number, because 2649890119 - 2¹⁵ = 2649857351 is a prime.

It is a super-2 number, since 2×2649890119² = 14043835285547668322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649890149) 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, 69733932 + ... + 69733969.

It is an arithmetic number, because the mean of its divisors is an integer number (697339510).

Almost surely, 2^2649890119 is an apocalyptic number.

2649890119 is a deficient number, since it is larger than the sum of its proper divisors (139467921).

2649890119 is a wasteful number, since it uses less digits than its factorization.

2649890119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139467920.

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 2649890119 is about 51477.0834352530. The cubic root of 2649890119 is about 1383.8083767952.

The spelling of 2649890119 in words is "two billion, six hundred forty-nine million, eight hundred ninety thousand, one hundred nineteen".