140529442849 has 2 divisors, whose sum is σ = 140529442850. Its totient is φ = 140529442848.

The previous prime is 140529442847. The next prime is 140529442861. The reversal of 140529442849 is 948244925041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127888488225 + 12640954624 = 357615^2 + 112432^2 .

It is a cyclic number.

It is not a de Polignac number, because 140529442849 - 2¹ = 140529442847 is a prime.

Together with 140529442847, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 140529442796 and 140529442805.

It is not a weakly prime, because it can be changed into another prime (140529442847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70264721424 + 70264721425.

It is an arithmetic number, because the mean of its divisors is an integer number (70264721425).

Almost surely, 2^140529442849 is an apocalyptic number.

It is an amenable number.

140529442849 is a deficient number, since it is larger than the sum of its proper divisors (1).

140529442849 is an equidigital number, since it uses as much as digits as its factorization.

140529442849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 140529442849 in words is "one hundred forty billion, five hundred twenty-nine million, four hundred forty-two thousand, eight hundred forty-nine".