2419990821 has 12 divisors (see below), whose sum is σ = 3516475872. Its totient is φ = 1603665576.

The previous prime is 2419990777. The next prime is 2419990829. The reversal of 2419990821 is 1280999142.

It is not a de Polignac number, because 2419990821 - 2⁶ = 2419990757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2419990829) 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, 803551 + ... + 806556.

It is an arithmetic number, because the mean of its divisors is an integer number (293039656).

Almost surely, 2^2419990821 is an apocalyptic number.

It is an amenable number.

2419990821 is a deficient number, since it is larger than the sum of its proper divisors (1096485051).

2419990821 is a wasteful number, since it uses less digits than its factorization.

2419990821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610280 (or 1610277 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 2419990821 is about 49193.4022100525. The cubic root of 2419990821 is about 1342.5729914643.

The spelling of 2419990821 in words is "two billion, four hundred nineteen million, nine hundred ninety thousand, eight hundred twenty-one".