29995722153 has 24 divisors (see below), whose sum is σ = 43996280328. Its totient is φ = 19690417152.

The previous prime is 29995722103. The next prime is 29995722157. The reversal of 29995722153 is 35122759992.

It can be written as a sum of positive squares in 4 ways, for example, as 19339908624 + 10655813529 = 139068^2 + 103227^2 .

It is not a de Polignac number, because 29995722153 - 2⁸ = 29995721897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29995722153.

It is not an unprimeable number, because it can be changed into a prime (29995722157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84775 + ... + 259187.

It is an arithmetic number, because the mean of its divisors is an integer number (1833178347).

Almost surely, 2^29995722153 is an apocalyptic number.

It is an amenable number.

29995722153 is a deficient number, since it is larger than the sum of its proper divisors (14000558175).

29995722153 is a wasteful number, since it uses less digits than its factorization.

29995722153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174713 (or 174710 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 54.

The spelling of 29995722153 in words is "twenty-nine billion, nine hundred ninety-five million, seven hundred twenty-two thousand, one hundred fifty-three".