2193630725 has 48 divisors (see below), whose sum is σ = 3207544704. Its totient is φ = 1467168000.

The previous prime is 2193630701. The next prime is 2193630757. The reversal of 2193630725 is 5270363912.

It is not a de Polignac number, because 2193630725 - 2⁶ = 2193630661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1110839 + ... + 1112811.

It is an arithmetic number, because the mean of its divisors is an integer number (66823848).

Almost surely, 2^2193630725 is an apocalyptic number.

2193630725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2193630725 is a deficient number, since it is larger than the sum of its proper divisors (1013913979).

2193630725 is a wasteful number, since it uses less digits than its factorization.

2193630725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318 (or 2313 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 2193630725 is about 46836.2116849773. The cubic root of 2193630725 is about 1299.3351087141.

The spelling of 2193630725 in words is "two billion, one hundred ninety-three million, six hundred thirty thousand, seven hundred twenty-five".