219130749 has 12 divisors (see below), whose sum is σ = 319596576. Its totient is φ = 144668232.

The previous prime is 219130739. The next prime is 219130759. The reversal of 219130749 is 947031912.

It is an interprime number because it is at equal distance from previous prime (219130739) and next prime (219130759).

It is not a de Polignac number, because 219130749 - 2⁴ = 219130733 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219130739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117267 + ... + 119120.

It is an arithmetic number, because the mean of its divisors is an integer number (26633048).

Almost surely, 2^219130749 is an apocalyptic number.

It is an amenable number.

219130749 is a deficient number, since it is larger than the sum of its proper divisors (100465827).

219130749 is a wasteful number, since it uses less digits than its factorization.

219130749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236496 (or 236493 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 219130749 is about 14803.0655271130. The cubic root of 219130749 is about 602.8849478935.

The spelling of 219130749 in words is "two hundred nineteen million, one hundred thirty thousand, seven hundred forty-nine".