8542613405 has 16 divisors (see below), whose sum is σ = 10455018624. Its totient is φ = 6698427840.

The previous prime is 8542613377. The next prime is 8542613459. The reversal of 8542613405 is 5043162458.

It is not a de Polignac number, because 8542613405 - 2⁶ = 8542613341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257582 + ... + 288848.

It is an arithmetic number, because the mean of its divisors is an integer number (653438664).

Almost surely, 2^8542613405 is an apocalyptic number.

It is an amenable number.

8542613405 is a deficient number, since it is larger than the sum of its proper divisors (1912405219).

8542613405 is a wasteful number, since it uses less digits than its factorization.

8542613405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32356.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 8542613405 is about 92426.2592827385. The cubic root of 8542613405 is about 2044.2323228519.

The spelling of 8542613405 in words is "eight billion, five hundred forty-two million, six hundred thirteen thousand, four hundred five".