102456796405 has 8 divisors (see below), whose sum is σ = 122949874872. Its totient is φ = 81964291008.

The previous prime is 102456796361. The next prime is 102456796423. The reversal of 102456796405 is 504697654201.

It can be written as a sum of positive squares in 4 ways, for example, as 553472676 + 101903323729 = 23526^2 + 319223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102456796405 - 2²¹ = 102454699253 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 612859 + ... + 761911.

It is an arithmetic number, because the mean of its divisors is an integer number (15368734359).

Almost surely, 2^102456796405 is an apocalyptic number.

It is an amenable number.

102456796405 is a deficient number, since it is larger than the sum of its proper divisors (20493078467).

102456796405 is a wasteful number, since it uses less digits than its factorization.

102456796405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286535.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 102456796405 in words is "one hundred two billion, four hundred fifty-six million, seven hundred ninety-six thousand, four hundred five".