2045326697 has 4 divisors (see below), whose sum is σ = 2095212756. Its totient is φ = 1995440640.

The previous prime is 2045326667. The next prime is 2045326709. The reversal of 2045326697 is 7966235402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 348792976 + 1696533721 = 18676^2 + 41189^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045326697 - 2¹⁰ = 2045325673 is a prime.

It is a super-2 number, since 2×2045326697² = 8366722594921859618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045326637) 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, 24942968 + ... + 24943049.

It is an arithmetic number, because the mean of its divisors is an integer number (523803189).

Almost surely, 2^2045326697 is an apocalyptic number.

It is an amenable number.

2045326697 is a deficient number, since it is larger than the sum of its proper divisors (49886059).

2045326697 is an equidigital number, since it uses as much as digits as its factorization.

2045326697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49886058.

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 2045326697 is about 45225.2882467320. The cubic root of 2045326697 is about 1269.3680483766.

The spelling of 2045326697 in words is "two billion, forty-five million, three hundred twenty-six thousand, six hundred ninety-seven".