29648380393 has 4 divisors (see below), whose sum is σ = 29649926740. Its totient is φ = 29646834048.

The previous prime is 29648380373. The next prime is 29648380397. The reversal of 29648380393 is 39308384692.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74011609 + 29574368784 = 8603^2 + 171972^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29648380393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29648380397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744048 + ... + 782881.

It is an arithmetic number, because the mean of its divisors is an integer number (7412481685).

Almost surely, 2^29648380393 is an apocalyptic number.

It is an amenable number.

29648380393 is a deficient number, since it is larger than the sum of its proper divisors (1546347).

29648380393 is a wasteful number, since it uses less digits than its factorization.

29648380393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546346.

The product of its (nonzero) digits is 6718464, while the sum is 55.

The spelling of 29648380393 in words is "twenty-nine billion, six hundred forty-eight million, three hundred eighty thousand, three hundred ninety-three".