1696278374399 has 16 divisors (see below), whose sum is σ = 2052673763328. Its totient is φ = 1368403327872.

The previous prime is 1696278374393. The next prime is 1696278374407. The reversal of 1696278374399 is 9934738726961.

It is not a de Polignac number, because 1696278374399 - 2³⁶ = 1627558897663 is a prime.

It is a super-2 number, since 2×1696278374399² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1696278374393) 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, 14046494 + ... + 14166740.

It is an arithmetic number, because the mean of its divisors is an integer number (128292110208).

Almost surely, 2^{1696278374399} is an apocalyptic number.

1696278374399 is a deficient number, since it is larger than the sum of its proper divisors (356395388929).

1696278374399 is a wasteful number, since it uses less digits than its factorization.

1696278374399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238814.

The product of its digits is 740710656, while the sum is 74.

The spelling of 1696278374399 in words is "one trillion, six hundred ninety-six billion, two hundred seventy-eight million, three hundred seventy-four thousand, three hundred ninety-nine".