4897452546639 has 20 divisors (see below), whose sum is σ = 7316183833200. Its totient is φ = 3264862952160.

The previous prime is 4897452546629. The next prime is 4897452546659. The reversal of 4897452546639 is 9366452547984.

4897452546639 is a `hidden beast` number, since 4 + 8 + 9 + 7 + 4 + 525 + 4 + 66 + 39 = 666.

It is not a de Polignac number, because 4897452546639 - 2³³ = 4888862612047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4897452546619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1589662 + ... + 3510260.

It is an arithmetic number, because the mean of its divisors is an integer number (365809191660).

Almost surely, 2^{4897452546639} is an apocalyptic number.

4897452546639 is a deficient number, since it is larger than the sum of its proper divisors (2418731286561).

4897452546639 is a wasteful number, since it uses less digits than its factorization.

4897452546639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952092 (or 1952083 counting only the distinct ones).

The product of its digits is 1567641600, while the sum is 72.

The spelling of 4897452546639 in words is "four trillion, eight hundred ninety-seven billion, four hundred fifty-two million, five hundred forty-six thousand, six hundred thirty-nine".