2472364021 has 4 divisors (see below), whose sum is σ = 2480417632. Its totient is φ = 2464310412.

The previous prime is 2472363989. The next prime is 2472364031. The reversal of 2472364021 is 1204632742.

It is a happy number.

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 2472364021 - 2⁵ = 2472363989 is a prime.

It is a super-2 number, since 2×2472364021² = 12225167704670576882, which 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 (2472364031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4026345 + ... + 4026958.

It is an arithmetic number, because the mean of its divisors is an integer number (620104408).

Almost surely, 2^2472364021 is an apocalyptic number.

It is an amenable number.

2472364021 is a deficient number, since it is larger than the sum of its proper divisors (8053611).

2472364021 is an equidigital number, since it uses as much as digits as its factorization.

2472364021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8053610.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 2472364021 is about 49722.8722118906. The cubic root of 2472364021 is about 1352.1892272534.

Adding to 2472364021 its reverse (1204632742), we get a palindrome (3676996763).

The spelling of 2472364021 in words is "two billion, four hundred seventy-two million, three hundred sixty-four thousand, twenty-one".