1373550383 has 4 divisors (see below), whose sum is σ = 1374965928. Its totient is φ = 1372134840.

The previous prime is 1373550379. The next prime is 1373550397. The reversal of 1373550383 is 3830553731.

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

It is a cyclic number.

It is not a de Polignac number, because 1373550383 - 2² = 1373550379 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 (1373550583) 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, 706316 + ... + 708257.

It is an arithmetic number, because the mean of its divisors is an integer number (343741482).

Almost surely, 2^1373550383 is an apocalyptic number.

1373550383 is a deficient number, since it is larger than the sum of its proper divisors (1415545).

1373550383 is an equidigital number, since it uses as much as digits as its factorization.

1373550383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415544.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 1373550383 is about 37061.4406492786. The cubic root of 1373550383 is about 1111.5991297734.

The spelling of 1373550383 in words is "one billion, three hundred seventy-three million, five hundred fifty thousand, three hundred eighty-three".