1396308723693 has 48 divisors (see below), whose sum is σ = 2058985938240. Its totient is φ = 841123325952.

The previous prime is 1396308723673. The next prime is 1396308723727. The reversal of 1396308723693 is 3963278036931.

It is not a de Polignac number, because 1396308723693 - 2¹⁷ = 1396308592621 is a prime.

It is a super-2 number, since 2×1396308723693² (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 (1396308723673) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4434621 + ... + 4739037.

It is an arithmetic number, because the mean of its divisors is an integer number (42895540380).

Almost surely, 2^{1396308723693} is an apocalyptic number.

1396308723693 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1396308723693 is a deficient number, since it is larger than the sum of its proper divisors (662677214547).

1396308723693 is a wasteful number, since it uses less digits than its factorization.

1396308723693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304638 (or 304625 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 60.

The spelling of 1396308723693 in words is "one trillion, three hundred ninety-six billion, three hundred eight million, seven hundred twenty-three thousand, six hundred ninety-three".