4542465623 has 4 divisors (see below), whose sum is σ = 4562835648. Its totient is φ = 4522095600.

The previous prime is 4542465611. The next prime is 4542465659. The reversal of 4542465623 is 3265642454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3265642454 = 2 ⋅1632821227.

It is a cyclic number.

It is not a de Polignac number, because 4542465623 - 2⁶ = 4542465559 is a prime.

It is a super-2 number, since 2×4542465623² = 41267987872273556258, 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 (4542464623) 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, 10184678 + ... + 10185123.

It is an arithmetic number, because the mean of its divisors is an integer number (1140708912).

Almost surely, 2^4542465623 is an apocalyptic number.

4542465623 is a deficient number, since it is larger than the sum of its proper divisors (20370025).

4542465623 is a wasteful number, since it uses less digits than its factorization.

4542465623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20370024.

The product of its digits is 691200, while the sum is 41.

The square root of 4542465623 is about 67397.8161589825. The cubic root of 4542465623 is about 1656.1406475746.

The spelling of 4542465623 in words is "four billion, five hundred forty-two million, four hundred sixty-five thousand, six hundred twenty-three".