1376496818705 has 4 divisors (see below), whose sum is σ = 1651796182452. Its totient is φ = 1101197454960.

The previous prime is 1376496818681. The next prime is 1376496818761. The reversal of 1376496818705 is 5078186946731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 211290992896 + 1165205825809 = 459664^2 + 1079447^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1376496818705 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137649681866 + ... + 137649681875.

It is an arithmetic number, because the mean of its divisors is an integer number (412949045613).

Almost surely, 2^{1376496818705} is an apocalyptic number.

It is an amenable number.

1376496818705 is a deficient number, since it is larger than the sum of its proper divisors (275299363747).

1376496818705 is an equidigital number, since it uses as much as digits as its factorization.

1376496818705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275299363746.

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 1376496818705 in words is "one trillion, three hundred seventy-six billion, four hundred ninety-six million, eight hundred eighteen thousand, seven hundred five".