2089691564 has 24 divisors (see below), whose sum is σ = 3722954928. Its totient is φ = 1026155520.

The previous prime is 2089691563. The next prime is 2089691621. The reversal of 2089691564 is 4651969802.

It is not an unprimeable number, because it can be changed into a prime (2089691563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30272 + ... + 71384.

It is an arithmetic number, because the mean of its divisors is an integer number (155123122).

Almost surely, 2^2089691564 is an apocalyptic number.

It is an amenable number.

2089691564 is a deficient number, since it is larger than the sum of its proper divisors (1633263364).

2089691564 is a wasteful number, since it uses less digits than its factorization.

2089691564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41345 (or 41343 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 2089691564 is about 45713.1443241438. The cubic root of 2089691564 is about 1278.4803669956.

The spelling of 2089691564 in words is "two billion, eighty-nine million, six hundred ninety-one thousand, five hundred sixty-four".