7189445925 has 48 divisors (see below), whose sum is σ = 13217160000. Its totient is φ = 3831503040.

The previous prime is 7189445867. The next prime is 7189445927. The reversal of 7189445925 is 5295449817.

It is a happy number.

7189445925 is a `hidden beast` number, since 7 + 1 + 8 + 9 + 44 + 592 + 5 = 666.

It is not a de Polignac number, because 7189445925 - 2¹³ = 7189437733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7189445927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1143691 + ... + 1149959.

It is an arithmetic number, because the mean of its divisors is an integer number (275357500).

Almost surely, 2^7189445925 is an apocalyptic number.

7189445925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7189445925 is a deficient number, since it is larger than the sum of its proper divisors (6027714075).

7189445925 is a wasteful number, since it uses less digits than its factorization.

7189445925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7987 (or 7976 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 7189445925 is about 84790.6004519369. The cubic root of 7189445925 is about 1930.0348034387.

The spelling of 7189445925 in words is "seven billion, one hundred eighty-nine million, four hundred forty-five thousand, nine hundred twenty-five".