29163043493 has 2 divisors, whose sum is σ = 29163043494. Its totient is φ = 29163043492.

The previous prime is 29163043417. The next prime is 29163043517. The reversal of 29163043493 is 39434036192.

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., 24926725924 + 4236317569 = 157882^2 + 65087^2 .

It is a cyclic number.

It is not a de Polignac number, because 29163043493 - 2¹² = 29163039397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29163043993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14581521746 + 14581521747.

It is an arithmetic number, because the mean of its divisors is an integer number (14581521747).

Almost surely, 2^29163043493 is an apocalyptic number.

It is an amenable number.

29163043493 is a deficient number, since it is larger than the sum of its proper divisors (1).

29163043493 is an equidigital number, since it uses as much as digits as its factorization.

29163043493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 44.

The spelling of 29163043493 in words is "twenty-nine billion, one hundred sixty-three million, forty-three thousand, four hundred ninety-three".