69889292145 has 48 divisors (see below), whose sum is σ = 125548061184. Its totient is φ = 35928000000.

The previous prime is 69889292071. The next prime is 69889292153. The reversal of 69889292145 is 54129298896.

It is not a de Polignac number, because 69889292145 - 2⁷ = 69889292017 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 250345 + ... + 449945.

It is an arithmetic number, because the mean of its divisors is an integer number (2615584608).

Almost surely, 2^69889292145 is an apocalyptic number.

It is an amenable number.

69889292145 is a deficient number, since it is larger than the sum of its proper divisors (55658769039).

69889292145 is a wasteful number, since it uses less digits than its factorization.

69889292145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199894 (or 199891 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 63.

The spelling of 69889292145 in words is "sixty-nine billion, eight hundred eighty-nine million, two hundred ninety-two thousand, one hundred forty-five".