2699728425 has 36 divisors (see below), whose sum is σ = 4838321280. Its totient is φ = 1439019360.

The previous prime is 2699728417. The next prime is 2699728453. The reversal of 2699728425 is 5248279962.

It is not a de Polignac number, because 2699728425 - 2³ = 2699728417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 699852 + ... + 703698.

Almost surely, 2^2699728425 is an apocalyptic number.

2699728425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2699728425 is a deficient number, since it is larger than the sum of its proper divisors (2138592855).

2699728425 is a wasteful number, since it uses less digits than its factorization.

2699728425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6982 (or 6974 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 2699728425 is about 51958.9109296952. The cubic root of 2699728425 is about 1392.4299618708.

The spelling of 2699728425 in words is "two billion, six hundred ninety-nine million, seven hundred twenty-eight thousand, four hundred twenty-five".