4921973725 has 12 divisors (see below), whose sum is σ = 6136972660. Its totient is φ = 3915820800.

The previous prime is 4921973689. The next prime is 4921973741. The reversal of 4921973725 is 5273791294.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1657222681 + 3264751044 = 40709^2 + 57138^2 .

It is not a de Polignac number, because 4921973725 - 2⁷ = 4921973597 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 539340 + ... + 548389.

Almost surely, 2^4921973725 is an apocalyptic number.

It is an amenable number.

4921973725 is a deficient number, since it is larger than the sum of its proper divisors (1214998935).

4921973725 is a wasteful number, since it uses less digits than its factorization.

4921973725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087920 (or 1087915 counting only the distinct ones).

The product of its digits is 952560, while the sum is 49.

The square root of 4921973725 is about 70156.7796082460. The cubic root of 4921973725 is about 1701.0344021863.

The spelling of 4921973725 in words is "four billion, nine hundred twenty-one million, nine hundred seventy-three thousand, seven hundred twenty-five".