13450432253173 has 2 divisors, whose sum is σ = 13450432253174. Its totient is φ = 13450432253172.

The previous prime is 13450432253099. The next prime is 13450432253179. The reversal of 13450432253173 is 37135223405431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10539255802084 + 2911176451089 = 3246422^2 + 1706217^2 .

It is a cyclic number.

It is not a de Polignac number, because 13450432253173 - 2¹³ = 13450432244981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13450432253179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6725216126586 + 6725216126587.

It is an arithmetic number, because the mean of its divisors is an integer number (6725216126587).

Almost surely, 2^{13450432253173} is an apocalyptic number.

It is an amenable number.

13450432253173 is a deficient number, since it is larger than the sum of its proper divisors (1).

13450432253173 is an equidigital number, since it uses as much as digits as its factorization.

13450432253173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 13450432253173 in words is "thirteen trillion, four hundred fifty billion, four hundred thirty-two million, two hundred fifty-three thousand, one hundred seventy-three".