29499321397 has 32 divisors (see below), whose sum is σ = 38378188800. Its totient is φ = 22018868928.

The previous prime is 29499321337. The next prime is 29499321407. The reversal of 29499321397 is 79312399492.

It is not a de Polignac number, because 29499321397 - 2¹⁵ = 29499288629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29499321317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377538 + ... + 448924.

It is an arithmetic number, because the mean of its divisors is an integer number (1199318400).

Almost surely, 2^29499321397 is an apocalyptic number.

It is an amenable number.

29499321397 is a deficient number, since it is larger than the sum of its proper divisors (8878867403).

29499321397 is a wasteful number, since it uses less digits than its factorization.

29499321397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71665.

The product of its digits is 6613488, while the sum is 58.

The spelling of 29499321397 in words is "twenty-nine billion, four hundred ninety-nine million, three hundred twenty-one thousand, three hundred ninety-seven".