7486643542 has 16 divisors (see below), whose sum is σ = 13147277472. Its totient is φ = 3130303680.

The previous prime is 7486643531. The next prime is 7486643629. The reversal of 7486643542 is 2453466847.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6520893 + ... + 6522040.

It is an arithmetic number, because the mean of its divisors is an integer number (821704842).

Almost surely, 2^7486643542 is an apocalyptic number.

7486643542 is a deficient number, since it is larger than the sum of its proper divisors (5660633930).

7486643542 is a wasteful number, since it uses less digits than its factorization.

7486643542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13042983.

The product of its digits is 3870720, while the sum is 49.

The square root of 7486643542 is about 86525.3924694942. The cubic root of 7486643542 is about 1956.2711575701.

The spelling of 7486643542 in words is "seven billion, four hundred eighty-six million, six hundred forty-three thousand, five hundred forty-two".