2140650357679 has 2 divisors, whose sum is σ = 2140650357680. Its totient is φ = 2140650357678.

The previous prime is 2140650357647. The next prime is 2140650357683. The reversal of 2140650357679 is 9767530560412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2140650357679 - 2⁵ = 2140650357647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140650357619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070325178839 + 1070325178840.

It is an arithmetic number, because the mean of its divisors is an integer number (1070325178840).

Almost surely, 2^{2140650357679} is an apocalyptic number.

2140650357679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140650357679 is an equidigital number, since it uses as much as digits as its factorization.

2140650357679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9525600, while the sum is 55.

The spelling of 2140650357679 in words is "two trillion, one hundred forty billion, six hundred fifty million, three hundred fifty-seven thousand, six hundred seventy-nine".