7681535542 has 8 divisors (see below), whose sum is σ = 11551924800. Its totient is φ = 3830893944.

The previous prime is 7681535531. The next prime is 7681535551. The reversal of 7681535542 is 2455351867.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7681535492 and 7681535501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4935942 + ... + 4937497.

It is an arithmetic number, because the mean of its divisors is an integer number (1443990600).

Almost surely, 2^7681535542 is an apocalyptic number.

7681535542 is a deficient number, since it is larger than the sum of its proper divisors (3870389258).

7681535542 is a wasteful number, since it uses less digits than its factorization.

7681535542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9873830.

The product of its digits is 1008000, while the sum is 46.

The square root of 7681535542 is about 87644.3697107806. The cubic root of 7681535542 is about 1973.1011427928.

The spelling of 7681535542 in words is "seven billion, six hundred eighty-one million, five hundred thirty-five thousand, five hundred forty-two".