4925749676409 has 27 divisors (see below), whose sum is σ = 7238185695013. Its totient is φ = 3227917478424.

The previous prime is 4925749676401. The next prime is 4925749676423. The reversal of 4925749676409 is 9046769475294.

It is a happy number.

The square root of 4925749676409 is 2219403.

It is a perfect power (a square), and thus also a powerful number.

4925749676409 is a `hidden beast` number, since 4 + 9 + 2 + 574 + 9 + 6 + 7 + 6 + 40 + 9 = 666.

It is not a de Polignac number, because 4925749676409 - 2³ = 4925749676401 is a prime.

It is a super-2 number, since 2×4925749676409² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4925749676401) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 392828062 + ... + 392840600.

Almost surely, 2^{4925749676409} is an apocalyptic number.

4925749676409 is the 2219403-rd square number.

4925749676409 is the 1109702-nd centered octagonal number.

It is an amenable number.

4925749676409 is a deficient number, since it is larger than the sum of its proper divisors (2312436018604).

4925749676409 is an frugal number, since it uses more digits than its factorization.

4925749676409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25202 (or 12601 counting only the distinct ones).

The product of its (nonzero) digits is 823011840, while the sum is 72.

The spelling of 4925749676409 in words is "four trillion, nine hundred twenty-five billion, seven hundred forty-nine million, six hundred seventy-six thousand, four hundred nine".