4897899972 has 36 divisors (see below), whose sum is σ = 14149489536. Its totient is φ = 1399399920.

The previous prime is 4897899967. The next prime is 4897899973. The reversal of 4897899972 is 2799987984.

4897899972 is a `hidden beast` number, since 489 + 78 + 9 + 9 + 9 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 4897899972.

It is not an unprimeable number, because it can be changed into a prime (4897899973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9717804 + ... + 9718307.

It is an arithmetic number, because the mean of its divisors is an integer number (393041376).

Almost surely, 2^4897899972 is an apocalyptic number.

4897899972 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4897899972 is an abundant number, since it is smaller than the sum of its proper divisors (9251589564).

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

4897899972 is a wasteful number, since it uses less digits than its factorization.

4897899972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19436128 (or 19436123 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 72.

The square root of 4897899972 is about 69984.9981924698. The cubic root of 4897899972 is about 1698.2565715838.

The spelling of 4897899972 in words is "four billion, eight hundred ninety-seven million, eight hundred ninety-nine thousand, nine hundred seventy-two".