69920959890 has 32 divisors (see below), whose sum is σ = 169035206400. Its totient is φ = 18509489024.

The previous prime is 69920959883. The next prime is 69920959919. The reversal of 69920959890 is 9895902996.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8502090 + ... + 8510309.

It is an arithmetic number, because the mean of its divisors is an integer number (5282350200).

Almost surely, 2^69920959890 is an apocalyptic number.

69920959890 is an abundant number, since it is smaller than the sum of its proper divisors (99114246510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69920959890 is a wasteful number, since it uses less digits than its factorization.

69920959890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17012546.

The product of its (nonzero) digits is 28343520, while the sum is 66.

The spelling of 69920959890 in words is "sixty-nine billion, nine hundred twenty million, nine hundred fifty-nine thousand, eight hundred ninety".