1696278374407 has 2 divisors, whose sum is σ = 1696278374408. Its totient is φ = 1696278374406.

The previous prime is 1696278374393. The next prime is 1696278374419. The reversal of 1696278374407 is 7044738726961.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1696278374407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1696278374107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 848139187203 + 848139187204.

It is an arithmetic number, because the mean of its divisors is an integer number (848139187204).

Almost surely, 2^{1696278374407} is an apocalyptic number.

1696278374407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1696278374407 is an equidigital number, since it uses as much as digits as its factorization.

1696278374407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85349376, while the sum is 64.

The spelling of 1696278374407 in words is "one trillion, six hundred ninety-six billion, two hundred seventy-eight million, three hundred seventy-four thousand, four hundred seven".