47451652321 has 2 divisors, whose sum is σ = 47451652322. Its totient is φ = 47451652320.

The previous prime is 47451652319. The next prime is 47451652361. The reversal of 47451652321 is 12325615474.

It is an a-pointer prime, because the next prime (47451652361) can be obtained adding 47451652321 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25861464225 + 21590188096 = 160815^2 + 146936^2 .

It is a cyclic number.

It is not a de Polignac number, because 47451652321 - 2¹ = 47451652319 is a prime.

Together with 47451652319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47451652361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23725826160 + 23725826161.

It is an arithmetic number, because the mean of its divisors is an integer number (23725826161).

Almost surely, 2^47451652321 is an apocalyptic number.

It is an amenable number.

47451652321 is a deficient number, since it is larger than the sum of its proper divisors (1).

47451652321 is an equidigital number, since it uses as much as digits as its factorization.

47451652321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 40.

The spelling of 47451652321 in words is "forty-seven billion, four hundred fifty-one million, six hundred fifty-two thousand, three hundred twenty-one".