216249862029 has 16 divisors (see below), whose sum is σ = 289684211712. Its totient is φ = 143491303728.

The previous prime is 216249861973. The next prime is 216249862061. The reversal of 216249862029 is 920268942612.

It is a happy number.

It is not a de Polignac number, because 216249862029 - 2¹³ = 216249853837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216249862099) 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, 3611674 + ... + 3671060.

It is an arithmetic number, because the mean of its divisors is an integer number (18105263232).

Almost surely, 2^216249862029 is an apocalyptic number.

It is an amenable number.

216249862029 is a deficient number, since it is larger than the sum of its proper divisors (73434349683).

216249862029 is a wasteful number, since it uses less digits than its factorization.

216249862029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65056.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 216249862029 in words is "two hundred sixteen billion, two hundred forty-nine million, eight hundred sixty-two thousand, twenty-nine".