8147653769 has 2 divisors, whose sum is σ = 8147653770. Its totient is φ = 8147653768.

The previous prime is 8147653763. The next prime is 8147653799. The reversal of 8147653769 is 9673567418.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7416654400 + 730999369 = 86120^2 + 27037^2 .

It is a cyclic number.

It is not a de Polignac number, because 8147653769 - 2²⁰ = 8146605193 is a prime.

It is a super-2 number, since 2×8147653769² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8147653763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4073826884 + 4073826885.

It is an arithmetic number, because the mean of its divisors is an integer number (4073826885).

Almost surely, 2^8147653769 is an apocalyptic number.

It is an amenable number.

8147653769 is a deficient number, since it is larger than the sum of its proper divisors (1).

8147653769 is an equidigital number, since it uses as much as digits as its factorization.

8147653769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7620480, while the sum is 56.

The square root of 8147653769 is about 90264.3549193146. The cubic root of 8147653769 is about 2012.2295474123.

The spelling of 8147653769 in words is "eight billion, one hundred forty-seven million, six hundred fifty-three thousand, seven hundred sixty-nine".