1377610049 has 4 divisors (see below), whose sum is σ = 1409647536. Its totient is φ = 1345572564.

The previous prime is 1377610037. The next prime is 1377610051. The reversal of 1377610049 is 9400167731.

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 1377610049 - 2²⁸ = 1109174593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1377609994 and 1377610021.

It is not an unprimeable number, because it can be changed into a prime (1377610099) 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, 16018679 + ... + 16018764.

It is an arithmetic number, because the mean of its divisors is an integer number (352411884).

Almost surely, 2^1377610049 is an apocalyptic number.

It is an amenable number.

1377610049 is a deficient number, since it is larger than the sum of its proper divisors (32037487).

1377610049 is an equidigital number, since it uses as much as digits as its factorization.

1377610049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32037486.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 1377610049 is about 37116.1696434317. The cubic root of 1377610049 is about 1112.6932001963.

The spelling of 1377610049 in words is "one billion, three hundred seventy-seven million, six hundred ten thousand, forty-nine".