47151456449 has 2 divisors, whose sum is σ = 47151456450. Its totient is φ = 47151456448.

The previous prime is 47151456397. The next prime is 47151456523. The reversal of 47151456449 is 94465415174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41293084849 + 5858371600 = 203207^2 + 76540^2 .

It is a cyclic number.

It is not a de Polignac number, because 47151456449 - 2⁸ = 47151456193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47151456397 and 47151456406.

It is not a weakly prime, because it can be changed into another prime (47151456949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23575728224 + 23575728225.

It is an arithmetic number, because the mean of its divisors is an integer number (23575728225).

Almost surely, 2^47151456449 is an apocalyptic number.

It is an amenable number.

47151456449 is a deficient number, since it is larger than the sum of its proper divisors (1).

47151456449 is an equidigital number, since it uses as much as digits as its factorization.

47151456449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 50.

The spelling of 47151456449 in words is "forty-seven billion, one hundred fifty-one million, four hundred fifty-six thousand, four hundred forty-nine".