2097632739 has 4 divisors (see below), whose sum is σ = 2796843656. Its totient is φ = 1398421824.

The previous prime is 2097632731. The next prime is 2097632759. The reversal of 2097632739 is 9372367902.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2097632739 - 2³ = 2097632731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2097632731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349605454 + ... + 349605459.

It is an arithmetic number, because the mean of its divisors is an integer number (699210914).

Almost surely, 2^2097632739 is an apocalyptic number.

2097632739 is a deficient number, since it is larger than the sum of its proper divisors (699210917).

2097632739 is an equidigital number, since it uses as much as digits as its factorization.

2097632739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699210916.

The product of its (nonzero) digits is 857304, while the sum is 48.

The square root of 2097632739 is about 45799.9207313725. The cubic root of 2097632739 is about 1280.0977991273.

The spelling of 2097632739 in words is "two billion, ninety-seven million, six hundred thirty-two thousand, seven hundred thirty-nine".