64724604047 has 2 divisors, whose sum is σ = 64724604048. Its totient is φ = 64724604046.

The previous prime is 64724604031. The next prime is 64724604079. The reversal of 64724604047 is 74040642746.

64724604047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64724604047 - 2⁴ = 64724604031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64724603989 and 64724604007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64724604097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32362302023 + 32362302024.

It is an arithmetic number, because the mean of its divisors is an integer number (32362302024).

Almost surely, 2^64724604047 is an apocalyptic number.

64724604047 is a deficient number, since it is larger than the sum of its proper divisors (1).

64724604047 is an equidigital number, since it uses as much as digits as its factorization.

64724604047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 903168, while the sum is 44.

The spelling of 64724604047 in words is "sixty-four billion, seven hundred twenty-four million, six hundred four thousand, forty-seven".