265007714221 has 2 divisors, whose sum is σ = 265007714222. Its totient is φ = 265007714220.

The previous prime is 265007714201. The next prime is 265007714239. The reversal of 265007714221 is 122417700562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157414530025 + 107593184196 = 396755^2 + 328014^2 .

It is a cyclic number.

It is not a de Polignac number, because 265007714221 - 2²¹ = 265005617069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265007714201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132503857110 + 132503857111.

It is an arithmetic number, because the mean of its divisors is an integer number (132503857111).

Almost surely, 2^265007714221 is an apocalyptic number.

It is an amenable number.

265007714221 is a deficient number, since it is larger than the sum of its proper divisors (1).

265007714221 is an equidigital number, since it uses as much as digits as its factorization.

265007714221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 265007714221 in words is "two hundred sixty-five billion, seven million, seven hundred fourteen thousand, two hundred twenty-one".