13783981695 has 64 divisors (see below), whose sum is σ = 24432565248. Its totient is φ = 6580224000.

The previous prime is 13783981681. The next prime is 13783981709. The reversal of 13783981695 is 59618938731.

It is an interprime number because it is at equal distance from previous prime (13783981681) and next prime (13783981709).

It is not a de Polignac number, because 13783981695 - 2²³ = 13775593087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3073855 + ... + 3078335.

It is an arithmetic number, because the mean of its divisors is an integer number (381758832).

Almost surely, 2^13783981695 is an apocalyptic number.

13783981695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13783981695 is a deficient number, since it is larger than the sum of its proper divisors (10648583553).

13783981695 is a wasteful number, since it uses less digits than its factorization.

13783981695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4784.

The product of its digits is 9797760, while the sum is 60.

The spelling of 13783981695 in words is "thirteen billion, seven hundred eighty-three million, nine hundred eighty-one thousand, six hundred ninety-five".