2197763064 has 64 divisors (see below), whose sum is σ = 6977030400. Its totient is φ = 627931872.

The previous prime is 2197763053. The next prime is 2197763081. The reversal of 2197763064 is 4603677912.

2197763064 is a `hidden beast` number, since 2 + 1 + 9 + 7 + 7 + 630 + 6 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725262 + ... + 728285.

It is an arithmetic number, because the mean of its divisors is an integer number (109016100).

Almost surely, 2^2197763064 is an apocalyptic number.

2197763064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2197763064 is an abundant number, since it is smaller than the sum of its proper divisors (4779267336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2197763064 is a wasteful number, since it uses less digits than its factorization.

2197763064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453569 (or 1453559 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 2197763064 is about 46880.3057157267. The cubic root of 2197763064 is about 1300.1504882987.

The spelling of 2197763064 in words is "two billion, one hundred ninety-seven million, seven hundred sixty-three thousand, sixty-four".