5249343832021 has 4 divisors (see below), whose sum is σ = 5249381854752. Its totient is φ = 5249305809292.

The previous prime is 5249343832009. The next prime is 5249343832037. The reversal of 5249343832021 is 1202383439425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5249343832021 - 2¹¹ = 5249343829973 is a prime.

It is a super-2 number, since 2×5249343832021² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5249343838021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18803521 + ... + 19080646.

It is an arithmetic number, because the mean of its divisors is an integer number (1312345463688).

Almost surely, 2^{5249343832021} is an apocalyptic number.

It is an amenable number.

5249343832021 is a deficient number, since it is larger than the sum of its proper divisors (38022731).

5249343832021 is a wasteful number, since it uses less digits than its factorization.

5249343832021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38022730.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 5249343832021 in words is "five trillion, two hundred forty-nine billion, three hundred forty-three million, eight hundred thirty-two thousand, twenty-one".