1377746053 has 4 divisors (see below), whose sum is σ = 1384669600. Its totient is φ = 1370822508.

The previous prime is 1377746047. The next prime is 1377746081. The reversal of 1377746053 is 3506477731.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3506477731 = 5953 ⋅589027.

It is a cyclic number.

It is not a de Polignac number, because 1377746053 - 2⁹ = 1377745541 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 (1377747053) 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, 3461475 + ... + 3461872.

It is an arithmetic number, because the mean of its divisors is an integer number (346167400).

Almost surely, 2^1377746053 is an apocalyptic number.

It is an amenable number.

1377746053 is a deficient number, since it is larger than the sum of its proper divisors (6923547).

1377746053 is an equidigital number, since it uses as much as digits as its factorization.

1377746053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6923546.

The product of its (nonzero) digits is 370440, while the sum is 43.

The square root of 1377746053 is about 37118.0017377013. The cubic root of 1377746053 is about 1112.7298157214.

The spelling of 1377746053 in words is "one billion, three hundred seventy-seven million, seven hundred forty-six thousand, fifty-three".