140469792889 has 2 divisors, whose sum is σ = 140469792890. Its totient is φ = 140469792888.

The previous prime is 140469792817. The next prime is 140469792907. The reversal of 140469792889 is 988297964041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133141063225 + 7328729664 = 364885^2 + 85608^2 .

It is a cyclic number.

It is not a de Polignac number, because 140469792889 - 2⁷ = 140469792761 is a prime.

It is not a weakly prime, because it can be changed into another prime (140469792689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70234896444 + 70234896445.

It is an arithmetic number, because the mean of its divisors is an integer number (70234896445).

Almost surely, 2^140469792889 is an apocalyptic number.

It is an amenable number.

140469792889 is a deficient number, since it is larger than the sum of its proper divisors (1).

140469792889 is an equidigital number, since it uses as much as digits as its factorization.

140469792889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62705664, while the sum is 67.

The spelling of 140469792889 in words is "one hundred forty billion, four hundred sixty-nine million, seven hundred ninety-two thousand, eight hundred eighty-nine".