1377063893 has 4 divisors (see below), whose sum is σ = 1449540960. Its totient is φ = 1304586828.

The previous prime is 1377063871. The next prime is 1377063907. The reversal of 1377063893 is 3983607731.

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 a cyclic number.

It is not a de Polignac number, because 1377063893 - 2¹⁸ = 1376801749 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 (1377063833) 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, 36238505 + ... + 36238542.

It is an arithmetic number, because the mean of its divisors is an integer number (362385240).

Almost surely, 2^1377063893 is an apocalyptic number.

It is an amenable number.

1377063893 is a deficient number, since it is larger than the sum of its proper divisors (72477067).

1377063893 is an equidigital number, since it uses as much as digits as its factorization.

1377063893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72477066.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 1377063893 is about 37108.8115277221. The cubic root of 1377063893 is about 1112.5461376817.

The spelling of 1377063893 in words is "one billion, three hundred seventy-seven million, sixty-three thousand, eight hundred ninety-three".