5146243821 has 16 divisors (see below), whose sum is σ = 7653064320. Its totient is φ = 3417779520.

The previous prime is 5146243799. The next prime is 5146243829. The reversal of 5146243821 is 1283426415.

It is a happy number.

5146243821 is a `hidden beast` number, since 5 + 1 + 4 + 624 + 3 + 8 + 21 = 666.

It is not a de Polignac number, because 5146243821 - 2¹⁵ = 5146211053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5146243829) 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, 355260 + ... + 369461.

It is an arithmetic number, because the mean of its divisors is an integer number (478316520).

Almost surely, 2^5146243821 is an apocalyptic number.

It is an amenable number.

5146243821 is a deficient number, since it is larger than the sum of its proper divisors (2506820499).

5146243821 is a wasteful number, since it uses less digits than its factorization.

5146243821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724993 (or 724987 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 5146243821 is about 71737.3251592224. The cubic root of 5146243821 is about 1726.4875576643.

The spelling of 5146243821 in words is "five billion, one hundred forty-six million, two hundred forty-three thousand, eight hundred twenty-one".