1375773398 has 24 divisors (see below), whose sum is σ = 2149558320. Its totient is φ = 660350880.

The previous prime is 1375773379. The next prime is 1375773449. The reversal of 1375773398 is 8933775731.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302183 + ... + 306701.

It is an arithmetic number, because the mean of its divisors is an integer number (89564930).

Almost surely, 2^1375773398 is an apocalyptic number.

1375773398 is a deficient number, since it is larger than the sum of its proper divisors (773784922).

1375773398 is a wasteful number, since it uses less digits than its factorization.

1375773398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760 (or 4731 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 53.

The square root of 1375773398 is about 37091.4194659627. The cubic root of 1375773398 is about 1112.1984936928.

The spelling of 1375773398 in words is "one billion, three hundred seventy-five million, seven hundred seventy-three thousand, three hundred ninety-eight".