545513438669 has 4 divisors (see below), whose sum is σ = 563110646400. Its totient is φ = 527916230940.

The previous prime is 545513438653. The next prime is 545513438783. The reversal of 545513438669 is 966834315545.

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 545513438669 - 2⁴ = 545513438653 is a prime.

It is a super-2 number, since 2×545513438669² (a number of 24 digits) 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 (545513408669) 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, 8798603819 + ... + 8798603880.

It is an arithmetic number, because the mean of its divisors is an integer number (140777661600).

Almost surely, 2^545513438669 is an apocalyptic number.

It is an amenable number.

545513438669 is a deficient number, since it is larger than the sum of its proper divisors (17597207731).

545513438669 is a wasteful number, since it uses less digits than its factorization.

545513438669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17597207730.

The product of its digits is 46656000, while the sum is 59.

The spelling of 545513438669 in words is "five hundred forty-five billion, five hundred thirteen million, four hundred thirty-eight thousand, six hundred sixty-nine".