2100725735 has 8 divisors (see below), whose sum is σ = 2552781120. Its totient is φ = 1659307104.

The previous prime is 2100725699. The next prime is 2100725761. The reversal of 2100725735 is 5375270012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2100725735 - 2¹² = 2100721639 is a prime.

It is a super-2 number, since 2×2100725735² = 8826097227382580450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2658752 + ... + 2659541.

It is an arithmetic number, because the mean of its divisors is an integer number (319097640).

Almost surely, 2^2100725735 is an apocalyptic number.

2100725735 is a deficient number, since it is larger than the sum of its proper divisors (452055385).

2100725735 is an equidigital number, since it uses as much as digits as its factorization.

2100725735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5318377.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 2100725735 is about 45833.6746835774. The cubic root of 2100725735 is about 1280.7266656355.

Adding to 2100725735 its reverse (5375270012), we get a palindrome (7475995747).

The spelling of 2100725735 in words is "two billion, one hundred million, seven hundred twenty-five thousand, seven hundred thirty-five".