4897621632 has 64 divisors (see below), whose sum is σ = 13103042400. Its totient is φ = 1620777984.

The previous prime is 4897621609. The next prime is 4897621637. The reversal of 4897621632 is 2361267984.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×4897621632³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (4897621637) 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, 7498 + ... + 99254.

Almost surely, 2^4897621632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4897621632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6551521200).

4897621632 is an abundant number, since it is smaller than the sum of its proper divisors (8205420768).

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

4897621632 is a wasteful number, since it uses less digits than its factorization.

4897621632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91913 (or 91901 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 4897621632 is about 69983.0095951867. The cubic root of 4897621632 is about 1698.2244012189.

The spelling of 4897621632 in words is "four billion, eight hundred ninety-seven million, six hundred twenty-one thousand, six hundred thirty-two".