140469792817 has 2 divisors, whose sum is σ = 140469792818. Its totient is φ = 140469792816.

The previous prime is 140469792767. The next prime is 140469792889. The reversal of 140469792817 is 718297964041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105345035761 + 35124757056 = 324569^2 + 187416^2 .

It is a cyclic number.

It is not a de Polignac number, because 140469792817 - 2⁷ = 140469792689 is a prime.

It is not a weakly prime, because it can be changed into another prime (140469792917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70234896408 + 70234896409.

It is an arithmetic number, because the mean of its divisors is an integer number (70234896409).

Almost surely, 2^140469792817 is an apocalyptic number.

It is an amenable number.

140469792817 is a deficient number, since it is larger than the sum of its proper divisors (1).

140469792817 is an equidigital number, since it uses as much as digits as its factorization.

140469792817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 140469792817 in words is "one hundred forty billion, four hundred sixty-nine million, seven hundred ninety-two thousand, eight hundred seventeen".