69087384493 has 2 divisors, whose sum is σ = 69087384494. Its totient is φ = 69087384492.

The previous prime is 69087384473. The next prime is 69087384503. The reversal of 69087384493 is 39448378096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68980820164 + 106564329 = 262642^2 + 10323^2 .

It is a cyclic number.

It is not a de Polignac number, because 69087384493 - 2¹³ = 69087376301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69087384433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34543692246 + 34543692247.

It is an arithmetic number, because the mean of its divisors is an integer number (34543692247).

Almost surely, 2^69087384493 is an apocalyptic number.

It is an amenable number.

69087384493 is a deficient number, since it is larger than the sum of its proper divisors (1).

69087384493 is an equidigital number, since it uses as much as digits as its factorization.

69087384493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31352832, while the sum is 61.

The spelling of 69087384493 in words is "sixty-nine billion, eighty-seven million, three hundred eighty-four thousand, four hundred ninety-three".