2925096721 has 12 divisors (see below), whose sum is σ = 3268755972. Its totient is φ = 2608130304.

The previous prime is 2925096719. The next prime is 2925096761. The reversal of 2925096721 is 1276905292.

It can be written as a sum of positive squares in 2 ways, for example, as 2046567121 + 878529600 = 45239^2 + 29640^2 .

It is not a de Polignac number, because 2925096721 - 2¹ = 2925096719 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2925096761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232180 + ... + 244453.

It is an arithmetic number, because the mean of its divisors is an integer number (272396331).

Almost surely, 2^2925096721 is an apocalyptic number.

It is an amenable number.

2925096721 is a deficient number, since it is larger than the sum of its proper divisors (343659251).

2925096721 is a wasteful number, since it uses less digits than its factorization.

2925096721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476688 (or 476669 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 2925096721 is about 54084.1633105293. The cubic root of 2925096721 is about 1430.1450161833.

The spelling of 2925096721 in words is "two billion, nine hundred twenty-five million, ninety-six thousand, seven hundred twenty-one".