4974905649 has 16 divisors (see below), whose sum is σ = 7638681600. Its totient is φ = 2821100880.

The previous prime is 4974905647. The next prime is 4974905657. The reversal of 4974905649 is 9465094794.

It is not a de Polignac number, because 4974905649 - 2¹ = 4974905647 is a prime.

It is a super-2 number, since 2×4974905649² = 49499372432904222402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4974905647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901449 + ... + 906950.

It is an arithmetic number, because the mean of its divisors is an integer number (477417600).

Almost surely, 2^4974905649 is an apocalyptic number.

It is an amenable number.

4974905649 is a deficient number, since it is larger than the sum of its proper divisors (2663775951).

4974905649 is a wasteful number, since it uses less digits than its factorization.

4974905649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808540.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The square root of 4974905649 is about 70533.0110586525. The cubic root of 4974905649 is about 1707.1104316601.

The spelling of 4974905649 in words is "four billion, nine hundred seventy-four million, nine hundred five thousand, six hundred forty-nine".