69189246916149 has 4 divisors (see below), whose sum is σ = 92252329221536. Its totient is φ = 46126164610764.

The previous prime is 69189246916121. The next prime is 69189246916157. The reversal of 69189246916149 is 94161964298196.

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 not a de Polignac number, because 69189246916149 - 2⁴¹ = 66990223660597 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 (69189246916159) 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, 11531541152689 + ... + 11531541152694.

It is an arithmetic number, because the mean of its divisors is an integer number (23063082305384).

Almost surely, 2^{69189246916149} is an apocalyptic number.

It is an amenable number.

69189246916149 is a deficient number, since it is larger than the sum of its proper divisors (23063082305387).

69189246916149 is a wasteful number, since it uses less digits than its factorization.

69189246916149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23063082305386.

The product of its digits is 362797056, while the sum is 75.

The spelling of 69189246916149 in words is "sixty-nine trillion, one hundred eighty-nine billion, two hundred forty-six million, nine hundred sixteen thousand, one hundred forty-nine".