69880319999 has 4 divisors (see below), whose sum is σ = 79863222864. Its totient is φ = 59897417136.

The previous prime is 69880319981. The next prime is 69880320149. The reversal of 69880319999 is 99991308896.

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 69880319999 - 2¹² = 69880315903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69880319909) 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, 4991451422 + ... + 4991451435.

It is an arithmetic number, because the mean of its divisors is an integer number (19965805716).

Almost surely, 2^69880319999 is an apocalyptic number.

69880319999 is a deficient number, since it is larger than the sum of its proper divisors (9982902865).

69880319999 is an equidigital number, since it uses as much as digits as its factorization.

69880319999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9982902864.

The product of its (nonzero) digits is 68024448, while the sum is 71.

The spelling of 69880319999 in words is "sixty-nine billion, eight hundred eighty million, three hundred nineteen thousand, nine hundred ninety-nine".