1373887893 has 8 divisors (see below), whose sum is σ = 2093543488. Its totient is φ = 785078784.

The previous prime is 1373887873. The next prime is 1373887897. The reversal of 1373887893 is 3987883731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1373887893 - 2⁸ = 1373887637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373887897) 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, 32711596 + ... + 32711637.

It is an arithmetic number, because the mean of its divisors is an integer number (261692936).

Almost surely, 2^1373887893 is an apocalyptic number.

It is an amenable number.

1373887893 is a deficient number, since it is larger than the sum of its proper divisors (719655595).

1373887893 is an equidigital number, since it uses as much as digits as its factorization.

1373887893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65423243.

The product of its digits is 6096384, while the sum is 57.

The square root of 1373887893 is about 37065.9937543835. The cubic root of 1373887893 is about 1111.6901700200.

The spelling of 1373887893 in words is "one billion, three hundred seventy-three million, eight hundred eighty-seven thousand, eight hundred ninety-three".