1396668202869 has 16 divisors (see below), whose sum is σ = 1888795805184. Its totient is φ = 917831132400.

The previous prime is 1396668202849. The next prime is 1396668202927. The reversal of 1396668202869 is 9682028666931.

It is not a de Polignac number, because 1396668202869 - 2³⁹ = 846912388981 is a prime.

It is a super-2 number, since 2×1396668202869² (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 (1396668202829) 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, 585342 + ... + 1770864.

It is an arithmetic number, because the mean of its divisors is an integer number (118049737824).

Almost surely, 2^{1396668202869} is an apocalyptic number.

It is an amenable number.

1396668202869 is a deficient number, since it is larger than the sum of its proper divisors (492127602315).

1396668202869 is a wasteful number, since it uses less digits than its factorization.

1396668202869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191128.

The product of its (nonzero) digits is 80621568, while the sum is 66.

The spelling of 1396668202869 in words is "one trillion, three hundred ninety-six billion, six hundred sixty-eight million, two hundred two thousand, eight hundred sixty-nine".