47578401029 has 2 divisors, whose sum is σ = 47578401030. Its totient is φ = 47578401028.

The previous prime is 47578400959. The next prime is 47578401067. The reversal of 47578401029 is 92010487574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41218338529 + 6360062500 = 203023^2 + 79750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47578401029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47578401089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23789200514 + 23789200515.

It is an arithmetic number, because the mean of its divisors is an integer number (23789200515).

Almost surely, 2^47578401029 is an apocalyptic number.

It is an amenable number.

47578401029 is a deficient number, since it is larger than the sum of its proper divisors (1).

47578401029 is an equidigital number, since it uses as much as digits as its factorization.

47578401029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 47578401029 in words is "forty-seven billion, five hundred seventy-eight million, four hundred one thousand, twenty-nine".