29454864657 has 8 divisors (see below), whose sum is σ = 39385684800. Its totient is φ = 19580310480.

The previous prime is 29454864617. The next prime is 29454864697. The reversal of 29454864657 is 75646845492.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (29454864617) and next prime (29454864697).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-29454864657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29454864657.

It is not an unprimeable number, because it can be changed into a prime (29454864617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14065269 + ... + 14067362.

It is an arithmetic number, because the mean of its divisors is an integer number (4923210600).

Almost surely, 2^29454864657 is an apocalyptic number.

It is an amenable number.

29454864657 is a deficient number, since it is larger than the sum of its proper divisors (9930820143).

29454864657 is a wasteful number, since it uses less digits than its factorization.

29454864657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28132983.

The product of its digits is 58060800, while the sum is 60.

The spelling of 29454864657 in words is "twenty-nine billion, four hundred fifty-four million, eight hundred sixty-four thousand, six hundred fifty-seven".