47415978653 has 2 divisors, whose sum is σ = 47415978654. Its totient is φ = 47415978652.

The previous prime is 47415978613. The next prime is 47415978679. The reversal of 47415978653 is 35687951474.

47415978653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45435906649 + 1980072004 = 213157^2 + 44498^2 .

It is a cyclic number.

It is not a de Polignac number, because 47415978653 - 2¹⁶ = 47415913117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47415978592 and 47415978601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47415978613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23707989326 + 23707989327.

It is an arithmetic number, because the mean of its divisors is an integer number (23707989327).

Almost surely, 2^47415978653 is an apocalyptic number.

It is an amenable number.

47415978653 is a deficient number, since it is larger than the sum of its proper divisors (1).

47415978653 is an equidigital number, since it uses as much as digits as its factorization.

47415978653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25401600, while the sum is 59.

The spelling of 47415978653 in words is "forty-seven billion, four hundred fifteen million, nine hundred seventy-eight thousand, six hundred fifty-three".