2279989690 has 32 divisors (see below), whose sum is σ = 4514097600. Its totient is φ = 829082320.

The previous prime is 2279989681. The next prime is 2279989771. The reversal of 2279989690 is 969899722.

It is a super-2 number, since 2×2279989690² = 10396705973012592200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72340 + ... + 98959.

It is an arithmetic number, because the mean of its divisors is an integer number (141065550).

Almost surely, 2^2279989690 is an apocalyptic number.

2279989690 is a deficient number, since it is larger than the sum of its proper divisors (2234107910).

2279989690 is a wasteful number, since it uses less digits than its factorization.

2279989690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171339 (or 171317 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 61.

The square root of 2279989690 is about 47749.2375855364. The cubic root of 2279989690 is about 1316.1668891709.

The spelling of 2279989690 in words is "two billion, two hundred seventy-nine million, nine hundred eighty-nine thousand, six hundred ninety".