7142485874721 has 4 divisors (see below), whose sum is σ = 9523314499632. Its totient is φ = 4761657249812.

The previous prime is 7142485874717. The next prime is 7142485874723. The reversal of 7142485874721 is 1274785842417.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7142485874721 - 2² = 7142485874717 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7142485874723) 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, 1190414312451 + ... + 1190414312456.

It is an arithmetic number, because the mean of its divisors is an integer number (2380828624908).

Almost surely, 2^{7142485874721} is an apocalyptic number.

It is an amenable number.

7142485874721 is a deficient number, since it is larger than the sum of its proper divisors (2380828624911).

7142485874721 is a wasteful number, since it uses less digits than its factorization.

7142485874721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380828624910.

The product of its digits is 28098560, while the sum is 60.

The spelling of 7142485874721 in words is "seven trillion, one hundred forty-two billion, four hundred eighty-five million, eight hundred seventy-four thousand, seven hundred twenty-one".