29090457317 has 4 divisors (see below), whose sum is σ = 29090807520. Its totient is φ = 29090107116.

The previous prime is 29090457311. The next prime is 29090457371. The reversal of 29090457317 is 71375409092.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 29090457317 - 2¹² = 29090453221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29090457311) 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, 28118 + ... + 242840.

It is an arithmetic number, because the mean of its divisors is an integer number (7272701880).

Almost surely, 2^29090457317 is an apocalyptic number.

It is an amenable number.

29090457317 is a deficient number, since it is larger than the sum of its proper divisors (350203).

29090457317 is a wasteful number, since it uses less digits than its factorization.

29090457317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350202.

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 29090457317 in words is "twenty-nine billion, ninety million, four hundred fifty-seven thousand, three hundred seventeen".