2045838397 has 8 divisors (see below), whose sum is σ = 2127958272. Its totient is φ = 1964726400.

The previous prime is 2045838383. The next prime is 2045838409. The reversal of 2045838397 is 7938385402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045838397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2045838397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045838317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247828 + ... + 255949.

It is an arithmetic number, because the mean of its divisors is an integer number (265994784).

Almost surely, 2^2045838397 is an apocalyptic number.

It is an amenable number.

2045838397 is a deficient number, since it is larger than the sum of its proper divisors (82119875).

2045838397 is a wasteful number, since it uses less digits than its factorization.

2045838397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503939.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 2045838397 is about 45230.9451260970. The cubic root of 2045838397 is about 1269.4738964174.

The spelling of 2045838397 in words is "two billion, forty-five million, eight hundred thirty-eight thousand, three hundred ninety-seven".