69221348997 has 4 divisors (see below), whose sum is σ = 92295132000. Its totient is φ = 46147565996.

The previous prime is 69221348947. The next prime is 69221349007. The reversal of 69221348997 is 79984312296.

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 69221348997 - 2⁷ = 69221348869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69221348997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69221348947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11536891497 + ... + 11536891502.

It is an arithmetic number, because the mean of its divisors is an integer number (23073783000).

Almost surely, 2^69221348997 is an apocalyptic number.

It is an amenable number.

69221348997 is a deficient number, since it is larger than the sum of its proper divisors (23073783003).

69221348997 is a wasteful number, since it uses less digits than its factorization.

69221348997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23073783002.

The product of its digits is 11757312, while the sum is 60.

The spelling of 69221348997 in words is "sixty-nine billion, two hundred twenty-one million, three hundred forty-eight thousand, nine hundred ninety-seven".