4542975639 has 56 divisors (see below), whose sum is σ = 7269674160. Its totient is φ = 2829313152.

The previous prime is 4542975629. The next prime is 4542975641. The reversal of 4542975639 is 9365792454.

4542975639 is a `hidden beast` number, since 4 + 54 + 29 + 7 + 563 + 9 = 666.

It is not a de Polignac number, because 4542975639 - 2¹⁶ = 4542910103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542975629) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1008877 + ... + 1013369.

It is an arithmetic number, because the mean of its divisors is an integer number (129815610).

Almost surely, 2^4542975639 is an apocalyptic number.

4542975639 is a deficient number, since it is larger than the sum of its proper divisors (2726698521).

4542975639 is an equidigital number, since it uses as much as digits as its factorization.

4542975639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603 (or 4588 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The square root of 4542975639 is about 67401.5996768623. The cubic root of 4542975639 is about 1656.2026276157.

The spelling of 4542975639 in words is "four billion, five hundred forty-two million, nine hundred seventy-five thousand, six hundred thirty-nine".