6441542235 has 96 divisors (see below), whose sum is σ = 11762270208. Its totient is φ = 3257210880.

The previous prime is 6441542221. The next prime is 6441542243. The reversal of 6441542235 is 5322451446.

6441542235 is a `hidden beast` number, since 6 + 4 + 415 + 4 + 2 + 235 = 666.

It is not a de Polignac number, because 6441542235 - 2²⁹ = 5904671323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6441542235.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18247819 + ... + 18248171.

It is an arithmetic number, because the mean of its divisors is an integer number (122523648).

Almost surely, 2^6441542235 is an apocalyptic number.

6441542235 is a deficient number, since it is larger than the sum of its proper divisors (5320727973).

6441542235 is a wasteful number, since it uses less digits than its factorization.

6441542235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 622 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 6441542235 is about 80259.2190031774. The cubic root of 6441542235 is about 1860.6439974298.

The spelling of 6441542235 in words is "six billion, four hundred forty-one million, five hundred forty-two thousand, two hundred thirty-five".