4891146525 has 72 divisors (see below), whose sum is σ = 9398669280. Its totient is φ = 2518568640.

The previous prime is 4891146523. The next prime is 4891146541. The reversal of 4891146525 is 5256411984.

4891146525 is a `hidden beast` number, since 4 + 8 + 9 + 114 + 6 + 525 = 666.

It is not a de Polignac number, because 4891146525 - 2¹ = 4891146523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4891146521) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 162294 + ... + 190056.

Almost surely, 2^4891146525 is an apocalyptic number.

4891146525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4891146525 is a deficient number, since it is larger than the sum of its proper divisors (4507522755).

4891146525 is a wasteful number, since it uses less digits than its factorization.

4891146525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27817 (or 27800 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 4891146525 is about 69936.7323014165. The cubic root of 4891146525 is about 1697.4756681203.

The spelling of 4891146525 in words is "four billion, eight hundred ninety-one million, one hundred forty-six thousand, five hundred twenty-five".