4644477497 has 4 divisors (see below), whose sum is σ = 5066702736. Its totient is φ = 4222252260.

The previous prime is 4644477493. The next prime is 4644477521. The reversal of 4644477497 is 7947744464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4644477497 - 2² = 4644477493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4644477491) 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, 211112603 + ... + 211112624.

It is an arithmetic number, because the mean of its divisors is an integer number (1266675684).

Almost surely, 2^4644477497 is an apocalyptic number.

It is an amenable number.

4644477497 is a deficient number, since it is larger than the sum of its proper divisors (422225239).

4644477497 is a wasteful number, since it uses less digits than its factorization.

4644477497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422225238.

The product of its digits is 18966528, while the sum is 56.

The square root of 4644477497 is about 68150.4034984387. The cubic root of 4644477497 is about 1668.4465093705.

The spelling of 4644477497 in words is "four billion, six hundred forty-four million, four hundred seventy-seven thousand, four hundred ninety-seven".