29193490393 has 4 divisors (see below), whose sum is σ = 30462772608. Its totient is φ = 27924208180.

The previous prime is 29193490357. The next prime is 29193490409. The reversal of 29193490393 is 39309439192.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29193490393 - 2⁹ = 29193489881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29193490393.

It is not an unprimeable number, because it can be changed into a prime (29193190393) 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, 634641073 + ... + 634641118.

It is an arithmetic number, because the mean of its divisors is an integer number (7615693152).

Almost surely, 2^29193490393 is an apocalyptic number.

29193490393 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

29193490393 is a deficient number, since it is larger than the sum of its proper divisors (1269282215).

29193490393 is a wasteful number, since it uses less digits than its factorization.

29193490393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269282214.

The product of its (nonzero) digits is 1417176, while the sum is 52.

The spelling of 29193490393 in words is "twenty-nine billion, one hundred ninety-three million, four hundred ninety thousand, three hundred ninety-three".