2140956476689 has 2 divisors, whose sum is σ = 2140956476690. Its totient is φ = 2140956476688.

The previous prime is 2140956476657. The next prime is 2140956476837. The reversal of 2140956476689 is 9866746590412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1187925606400 + 953030870289 = 1089920^2 + 976233^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140956476689 - 2⁵ = 2140956476657 is a prime.

It is not a weakly prime, because it can be changed into another prime (2140956476189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070478238344 + 1070478238345.

It is an arithmetic number, because the mean of its divisors is an integer number (1070478238345).

Almost surely, 2^{2140956476689} is an apocalyptic number.

It is an amenable number.

2140956476689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140956476689 is an equidigital number, since it uses as much as digits as its factorization.

2140956476689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 156764160, while the sum is 67.

The spelling of 2140956476689 in words is "two trillion, one hundred forty billion, nine hundred fifty-six million, four hundred seventy-six thousand, six hundred eighty-nine".