1373573433 has 4 divisors (see below), whose sum is σ = 1831431248. Its totient is φ = 915715620.

The previous prime is 1373573423. The next prime is 1373573471. The reversal of 1373573433 is 3343753731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1373573433 - 2¹³ = 1373565241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1373573391 and 1373573400.

It is not an unprimeable number, because it can be changed into a prime (1373573413) 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, 228928903 + ... + 228928908.

It is an arithmetic number, because the mean of its divisors is an integer number (457857812).

Almost surely, 2^1373573433 is an apocalyptic number.

It is an amenable number.

1373573433 is a deficient number, since it is larger than the sum of its proper divisors (457857815).

1373573433 is an equidigital number, since it uses as much as digits as its factorization.

1373573433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457857814.

The product of its digits is 238140, while the sum is 39.

The square root of 1373573433 is about 37061.7516180766. The cubic root of 1373573433 is about 1111.6053477753.

The spelling of 1373573433 in words is "one billion, three hundred seventy-three million, five hundred seventy-three thousand, four hundred thirty-three".