3725898815 has 4 divisors (see below), whose sum is σ = 4471078584. Its totient is φ = 2980719048.

The previous prime is 3725898809. The next prime is 3725898923. The reversal of 3725898815 is 5188985273.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3725898815 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372589877 + ... + 372589886.

It is an arithmetic number, because the mean of its divisors is an integer number (1117769646).

Almost surely, 2^3725898815 is an apocalyptic number.

3725898815 is a deficient number, since it is larger than the sum of its proper divisors (745179769).

3725898815 is an equidigital number, since it uses as much as digits as its factorization.

3725898815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745179768.

The product of its digits is 4838400, while the sum is 56.

The square root of 3725898815 is about 61040.1410139262. The cubic root of 3725898815 is about 1550.2807420719.

The spelling of 3725898815 in words is "three billion, seven hundred twenty-five million, eight hundred ninety-eight thousand, eight hundred fifteen".