7642142803 has 4 divisors (see below), whose sum is σ = 7648772008. Its totient is φ = 7635513600.

The previous prime is 7642142777. The next prime is 7642142813. The reversal of 7642142803 is 3082412467.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7642142803 - 2¹³ = 7642134611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7642142813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3312873 + ... + 3315178.

It is an arithmetic number, because the mean of its divisors is an integer number (1912193002).

Almost surely, 2^7642142803 is an apocalyptic number.

7642142803 is a deficient number, since it is larger than the sum of its proper divisors (6629205).

7642142803 is a wasteful number, since it uses less digits than its factorization.

7642142803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6629204.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 7642142803 is about 87419.3502778418. The cubic root of 7642142803 is about 1969.7225169394.

The spelling of 7642142803 in words is "seven billion, six hundred forty-two million, one hundred forty-two thousand, eight hundred three".