47547546419 has 2 divisors, whose sum is σ = 47547546420. Its totient is φ = 47547546418.

The previous prime is 47547546413. The next prime is 47547546433. The reversal of 47547546419 is 91464574574.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47547546419 is a prime.

It is a super-2 number, since 2×47547546419² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47547546413) 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 as a sum of consecutive naturals, namely, 23773773209 + 23773773210.

It is an arithmetic number, because the mean of its divisors is an integer number (23773773210).

Almost surely, 2^47547546419 is an apocalyptic number.

47547546419 is a deficient number, since it is larger than the sum of its proper divisors (1).

47547546419 is an equidigital number, since it uses as much as digits as its factorization.

47547546419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16934400, while the sum is 56.

The spelling of 47547546419 in words is "forty-seven billion, five hundred forty-seven million, five hundred forty-six thousand, four hundred nineteen".