207439125953 has 2 divisors, whose sum is σ = 207439125954. Its totient is φ = 207439125952.

The previous prime is 207439125799. The next prime is 207439125967. The reversal of 207439125953 is 359521934702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178914618289 + 28524507664 = 422983^2 + 168892^2 .

It is a cyclic number.

It is not a de Polignac number, because 207439125953 - 2²⁰ = 207438077377 is a prime.

It is a super-2 number, since 2×207439125953² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (207439125973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103719562976 + 103719562977.

It is an arithmetic number, because the mean of its divisors is an integer number (103719562977).

Almost surely, 2^207439125953 is an apocalyptic number.

It is an amenable number.

207439125953 is a deficient number, since it is larger than the sum of its proper divisors (1).

207439125953 is an equidigital number, since it uses as much as digits as its factorization.

207439125953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 207439125953 in words is "two hundred seven billion, four hundred thirty-nine million, one hundred twenty-five thousand, nine hundred fifty-three".