216025902069 has 16 divisors (see below), whose sum is σ = 292462732800. Its totient is φ = 141808327920.

The previous prime is 216025902049. The next prime is 216025902133. The reversal of 216025902069 is 960209520612.

It is not a de Polignac number, because 216025902069 - 2²⁹ = 215489031157 is a prime.

It is a super-2 number, since 2×216025902069² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 216025902069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216025902049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476719 + ... + 811980.

It is an arithmetic number, because the mean of its divisors is an integer number (18278920800).

Almost surely, 2^216025902069 is an apocalyptic number.

It is an amenable number.

216025902069 is a deficient number, since it is larger than the sum of its proper divisors (76436830731).

216025902069 is a wasteful number, since it uses less digits than its factorization.

216025902069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289560.

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 216025902069 in words is "two hundred sixteen billion, twenty-five million, nine hundred two thousand, sixty-nine".