2452321639 has 2 divisors, whose sum is σ = 2452321640. Its totient is φ = 2452321638.

The previous prime is 2452321637. The next prime is 2452321657. The reversal of 2452321639 is 9361232542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2452321639 - 2¹ = 2452321637 is a prime.

It is a super-2 number, since 2×2452321639² = 12027762842215292642, which contains 22 as substring.

Together with 2452321637, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2452321598 and 2452321607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2452321637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1226160819 + 1226160820.

It is an arithmetic number, because the mean of its divisors is an integer number (1226160820).

Almost surely, 2^2452321639 is an apocalyptic number.

2452321639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2452321639 is an equidigital number, since it uses as much as digits as its factorization.

2452321639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 2452321639 is about 49520.9212252761. The cubic root of 2452321639 is about 1348.5254387134.

The spelling of 2452321639 in words is "two billion, four hundred fifty-two million, three hundred twenty-one thousand, six hundred thirty-nine".