269971605901 has 2 divisors, whose sum is σ = 269971605902. Its totient is φ = 269971605900.

The previous prime is 269971605859. The next prime is 269971605919. The reversal of 269971605901 is 109506179962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245669913801 + 24301692100 = 495651^2 + 155890^2 .

It is a cyclic number.

It is not a de Polignac number, because 269971605901 - 2²⁵ = 269938051469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269971605931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134985802950 + 134985802951.

It is an arithmetic number, because the mean of its divisors is an integer number (134985802951).

Almost surely, 2^269971605901 is an apocalyptic number.

It is an amenable number.

269971605901 is a deficient number, since it is larger than the sum of its proper divisors (1).

269971605901 is an equidigital number, since it uses as much as digits as its factorization.

269971605901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1837080, while the sum is 55.

The spelling of 269971605901 in words is "two hundred sixty-nine billion, nine hundred seventy-one million, six hundred five thousand, nine hundred one".