2632345721 has 8 divisors (see below), whose sum is σ = 2665047840. Its totient is φ = 2599840512.

The previous prime is 2632345679. The next prime is 2632345733. The reversal of 2632345721 is 1275432362.

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 2632345721 - 2³⁰ = 1558603897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2632345621) 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 7 ways as a sum of consecutive naturals, for example, 22235 + ... + 75888.

It is an arithmetic number, because the mean of its divisors is an integer number (333130980).

Almost surely, 2^2632345721 is an apocalyptic number.

It is an amenable number.

2632345721 is a deficient number, since it is larger than the sum of its proper divisors (32702119).

2632345721 is a wasteful number, since it uses less digits than its factorization.

2632345721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98455.

The product of its digits is 60480, while the sum is 35.

The square root of 2632345721 is about 51306.3906448310. The cubic root of 2632345721 is about 1380.7476381845.

The spelling of 2632345721 in words is "two billion, six hundred thirty-two million, three hundred forty-five thousand, seven hundred twenty-one".