29478037153793 has 2 divisors, whose sum is σ = 29478037153794. Its totient is φ = 29478037153792.

The previous prime is 29478037153751. The next prime is 29478037153801. The reversal of 29478037153793 is 39735173087492.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29474290734529 + 3746419264 = 5429023^2 + 61208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29478037153793 is a prime.

It is not a weakly prime, because it can be changed into another prime (29478037153093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14739018576896 + 14739018576897.

It is an arithmetic number, because the mean of its divisors is an integer number (14739018576897).

Almost surely, 2^{29478037153793} is an apocalyptic number.

It is an amenable number.

29478037153793 is a deficient number, since it is larger than the sum of its proper divisors (1).

29478037153793 is an equidigital number, since it uses as much as digits as its factorization.

29478037153793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240045120, while the sum is 68.

The spelling of 29478037153793 in words is "twenty-nine trillion, four hundred seventy-eight billion, thirty-seven million, one hundred fifty-three thousand, seven hundred ninety-three".