3745988399 has 2 divisors, whose sum is σ = 3745988400. Its totient is φ = 3745988398.

The previous prime is 3745988381. The next prime is 3745988401. The reversal of 3745988399 is 9938895473.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3745988399 is a prime.

It is a Sophie Germain prime.

Together with 3745988401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3745988599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1872994199 + 1872994200.

It is an arithmetic number, because the mean of its divisors is an integer number (1872994200).

Almost surely, 2^3745988399 is an apocalyptic number.

3745988399 is a deficient number, since it is larger than the sum of its proper divisors (1).

3745988399 is an equidigital number, since it uses as much as digits as its factorization.

3745988399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58786560, while the sum is 65.

The square root of 3745988399 is about 61204.4802199970. The cubic root of 3745988399 is about 1553.0620563317.

The spelling of 3745988399 in words is "three billion, seven hundred forty-five million, nine hundred eighty-eight thousand, three hundred ninety-nine".