20260410132409 has 2 divisors, whose sum is σ = 20260410132410. Its totient is φ = 20260410132408.

The previous prime is 20260410132401. The next prime is 20260410132481. The reversal of 20260410132409 is 90423101406202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20200665085225 + 59745047184 = 4494515^2 + 244428^2 .

It is a cyclic number.

It is not a de Polignac number, because 20260410132409 - 2³ = 20260410132401 is a prime.

It is not a weakly prime, because it can be changed into another prime (20260410132401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10130205066204 + 10130205066205.

It is an arithmetic number, because the mean of its divisors is an integer number (10130205066205).

Almost surely, 2^{20260410132409} is an apocalyptic number.

It is an amenable number.

20260410132409 is a deficient number, since it is larger than the sum of its proper divisors (1).

20260410132409 is an equidigital number, since it uses as much as digits as its factorization.

20260410132409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 20260410132409 in words is "twenty trillion, two hundred sixty billion, four hundred ten million, one hundred thirty-two thousand, four hundred nine".