2091464884 has 12 divisors (see below), whose sum is σ = 3666832708. Its totient is φ = 1043798400.

The previous prime is 2091464827. The next prime is 2091464887. The reversal of 2091464884 is 4884641902.

It can be written as a sum of positive squares in 2 ways, for example, as 919908900 + 1171555984 = 30330^2 + 34228^2 .

It is a super-3 number, since 3×2091464884³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091464887) 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, 481077 + ... + 485404.

Almost surely, 2^2091464884 is an apocalyptic number.

It is an amenable number.

2091464884 is a deficient number, since it is larger than the sum of its proper divisors (1575367824).

2091464884 is a wasteful number, since it uses less digits than its factorization.

2091464884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967026 (or 967024 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 2091464884 is about 45732.5363827549. The cubic root of 2091464884 is about 1278.8419058052.

The spelling of 2091464884 in words is "two billion, ninety-one million, four hundred sixty-four thousand, eight hundred eighty-four".