140601623026649 has 2 divisors, whose sum is σ = 140601623026650. Its totient is φ = 140601623026648.

The previous prime is 140601623026609. The next prime is 140601623026679. The reversal of 140601623026649 is 946620326106041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135194570382400 + 5407052644249 = 11627320^2 + 2325307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140601623026649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140601623026597 and 140601623026606.

It is not a weakly prime, because it can be changed into another prime (140601623026609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70300811513324 + 70300811513325.

It is an arithmetic number, because the mean of its divisors is an integer number (70300811513325).

Almost surely, 2^{140601623026649} is an apocalyptic number.

It is an amenable number.

140601623026649 is a deficient number, since it is larger than the sum of its proper divisors (1).

140601623026649 is an equidigital number, since it uses as much as digits as its factorization.

140601623026649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 140601623026649 in words is "one hundred forty trillion, six hundred one billion, six hundred twenty-three million, twenty-six thousand, six hundred forty-nine".