2660009398 has 32 divisors (see below), whose sum is σ = 4279534560. Its totient is φ = 1237635840.

The previous prime is 2660009389. The next prime is 2660009419. The reversal of 2660009398 is 8939000662.

2660009398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 190636 + ... + 204112.

It is an arithmetic number, because the mean of its divisors is an integer number (133735455).

Almost surely, 2^2660009398 is an apocalyptic number.

2660009398 is a deficient number, since it is larger than the sum of its proper divisors (1619525162).

2660009398 is a wasteful number, since it uses less digits than its factorization.

2660009398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13632.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 2660009398 is about 51575.2789425321. The cubic root of 2660009398 is about 1385.5676140070.

The spelling of 2660009398 in words is "two billion, six hundred sixty million, nine thousand, three hundred ninety-eight".