7690421486659 has 4 divisors (see below), whose sum is σ = 7690574546640. Its totient is φ = 7690268426680.

The previous prime is 7690421486623. The next prime is 7690421486719. The reversal of 7690421486659 is 9566841240967.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7690421486659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7690421486594 and 7690421486603.

It is not an unprimeable number, because it can be changed into a prime (7690421484659) 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, 76454599 + ... + 76555120.

It is an arithmetic number, because the mean of its divisors is an integer number (1922643636660).

Almost surely, 2^{7690421486659} is an apocalyptic number.

7690421486659 is a deficient number, since it is larger than the sum of its proper divisors (153059981).

7690421486659 is a wasteful number, since it uses less digits than its factorization.

7690421486659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153059980.

The product of its (nonzero) digits is 156764160, while the sum is 67.

The spelling of 7690421486659 in words is "seven trillion, six hundred ninety billion, four hundred twenty-one million, four hundred eighty-six thousand, six hundred fifty-nine".