2219792459 has 16 divisors (see below), whose sum is σ = 2395059840. Its totient is φ = 2049636480.

The previous prime is 2219792447. The next prime is 2219792461. The reversal of 2219792459 is 9542979122.

It is a cyclic number.

It is not a de Polignac number, because 2219792459 - 2¹⁶ = 2219726923 is a prime.

It is a super-2 number, since 2×2219792459² = 9854957122066533362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2219794459) 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, 562724 + ... + 566654.

It is an arithmetic number, because the mean of its divisors is an integer number (149691240).

Almost surely, 2^2219792459 is an apocalyptic number.

2219792459 is a deficient number, since it is larger than the sum of its proper divisors (175267381).

2219792459 is a wasteful number, since it uses less digits than its factorization.

2219792459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570.

The product of its digits is 816480, while the sum is 50.

The square root of 2219792459 is about 47114.6734998769. The cubic root of 2219792459 is about 1304.4800968706.

The spelling of 2219792459 in words is "two billion, two hundred nineteen million, seven hundred ninety-two thousand, four hundred fifty-nine".