5145455669 has 4 divisors (see below), whose sum is σ = 5149636800. Its totient is φ = 5141274540.

The previous prime is 5145455659. The next prime is 5145455699. The reversal of 5145455669 is 9665545415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5145455669 - 2²⁴ = 5128678453 is a prime.

It is a super-2 number, since 2×5145455669² = 52951428083288475122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145455629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2088719 + ... + 2091180.

It is an arithmetic number, because the mean of its divisors is an integer number (1287409200).

Almost surely, 2^5145455669 is an apocalyptic number.

It is an amenable number.

5145455669 is a deficient number, since it is larger than the sum of its proper divisors (4181131).

5145455669 is a wasteful number, since it uses less digits than its factorization.

5145455669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4181130.

The product of its digits is 3240000, while the sum is 50.

The square root of 5145455669 is about 71731.8316300372. The cubic root of 5145455669 is about 1726.3994154425.

The spelling of 5145455669 in words is "five billion, one hundred forty-five million, four hundred fifty-five thousand, six hundred sixty-nine".