2124990647 has 8 divisors (see below), whose sum is σ = 2408896560. Its totient is φ = 1858291200.

The previous prime is 2124990619. The next prime is 2124990691. The reversal of 2124990647 is 7460994212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2124990647 - 2⁸ = 2124990391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2124990598 and 2124990607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124990607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4301354 + ... + 4301847.

It is an arithmetic number, because the mean of its divisors is an integer number (301112070).

Almost surely, 2^2124990647 is an apocalyptic number.

2124990647 is a deficient number, since it is larger than the sum of its proper divisors (283905913).

2124990647 is a wasteful number, since it uses less digits than its factorization.

2124990647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8603233.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 2124990647 is about 46097.6208388242. The cubic root of 2124990647 is about 1285.6389091148.

The spelling of 2124990647 in words is "two billion, one hundred twenty-four million, nine hundred ninety thousand, six hundred forty-seven".