1396776981310 has 32 divisors (see below), whose sum is σ = 2623586863680. Its totient is φ = 534403676928.

The previous prime is 1396776981247. The next prime is 1396776981311. The reversal of 1396776981310 is 131896776931.

It is a super-2 number, since 2×1396776981310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396776981311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11001954 + ... + 11128186.

It is an arithmetic number, because the mean of its divisors is an integer number (81987089490).

Almost surely, 2^{1396776981310} is an apocalyptic number.

1396776981310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1396776981310 is a deficient number, since it is larger than the sum of its proper divisors (1226809882370).

1396776981310 is a wasteful number, since it uses less digits than its factorization.

1396776981310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174372.

The product of its (nonzero) digits is 10287648, while the sum is 61.

The spelling of 1396776981310 in words is "one trillion, three hundred ninety-six billion, seven hundred seventy-six million, nine hundred eighty-one thousand, three hundred ten".