4229779933215 has 32 divisors (see below), whose sum is σ = 7915377657600. Its totient is φ = 2137151964960.

The previous prime is 4229779933207. The next prime is 4229779933217. The reversal of 4229779933215 is 5123399779224.

4229779933215 is a `hidden beast` number, since 4 + 2 + 297 + 7 + 9 + 9 + 332 + 1 + 5 = 666.

It is not a de Polignac number, because 4229779933215 - 2³ = 4229779933207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4229779933217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 824515941 + ... + 824521070.

It is an arithmetic number, because the mean of its divisors is an integer number (247355551800).

Almost surely, 2^{4229779933215} is an apocalyptic number.

4229779933215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4229779933215 is a deficient number, since it is larger than the sum of its proper divisors (3685597724385).

4229779933215 is a wasteful number, since it uses less digits than its factorization.

4229779933215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649037044 (or 1649037038 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 63.

The spelling of 4229779933215 in words is "four trillion, two hundred twenty-nine billion, seven hundred seventy-nine million, nine hundred thirty-three thousand, two hundred fifteen".