2140625320217 has 2 divisors, whose sum is σ = 2140625320218. Its totient is φ = 2140625320216.

The previous prime is 2140625320181. The next prime is 2140625320259. The reversal of 2140625320217 is 7120235260412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2040509399296 + 100115920921 = 1428464^2 + 316411^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140625320217 - 2²⁴ = 2140608543001 is a prime.

It is not a weakly prime, because it can be changed into another prime (2140625329217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070312660108 + 1070312660109.

It is an arithmetic number, because the mean of its divisors is an integer number (1070312660109).

Almost surely, 2^{2140625320217} is an apocalyptic number.

It is an amenable number.

2140625320217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140625320217 is an equidigital number, since it uses as much as digits as its factorization.

2140625320217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 2140625320217 in words is "two trillion, one hundred forty billion, six hundred twenty-five million, three hundred twenty thousand, two hundred seventeen".