2097638399 has 8 divisors (see below), whose sum is σ = 2249702640. Its totient is φ = 1949740416.

The previous prime is 2097638383. The next prime is 2097638407. The reversal of 2097638399 is 9938367902.

2097638399 = T₃₁₄ + T₃₁₅ + ... + T₂₃₂₇.

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 2097638399 - 2⁴ = 2097638383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097638329) 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, 1040522 + ... + 1042535.

It is an arithmetic number, because the mean of its divisors is an integer number (281212830).

Almost surely, 2^2097638399 is an apocalyptic number.

2097638399 is a deficient number, since it is larger than the sum of its proper divisors (152064241).

2097638399 is a wasteful number, since it uses less digits than its factorization.

2097638399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083129.

The product of its (nonzero) digits is 4408992, while the sum is 56.

The square root of 2097638399 is about 45799.9825218307. The cubic root of 2097638399 is about 1280.0989504803.

The spelling of 2097638399 in words is "two billion, ninety-seven million, six hundred thirty-eight thousand, three hundred ninety-nine".