545251423463 has 4 divisors (see below), whose sum is σ = 545342593368. Its totient is φ = 545160253560.

The previous prime is 545251423439. The next prime is 545251423481. The reversal of 545251423463 is 364324152545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 545251423463 - 2⁸ = 545251423207 is a prime.

It is a super-2 number, since 2×545251423463² (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 (545251423963) 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, 45575981 + ... + 45587942.

It is an arithmetic number, because the mean of its divisors is an integer number (136335648342).

Almost surely, 2^545251423463 is an apocalyptic number.

545251423463 is a deficient number, since it is larger than the sum of its proper divisors (91169905).

545251423463 is an equidigital number, since it uses as much as digits as its factorization.

545251423463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91169904.

The product of its digits is 1728000, while the sum is 44.

The spelling of 545251423463 in words is "five hundred forty-five billion, two hundred fifty-one million, four hundred twenty-three thousand, four hundred sixty-three".