29158149149 has 4 divisors (see below), whose sum is σ = 29309227836. Its totient is φ = 29007070464.

The previous prime is 29158149133. The next prime is 29158149157. The reversal of 29158149149 is 94194185192.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14397600100 + 14760549049 = 119990^2 + 121493^2 .

It is a cyclic number.

It is not a de Polignac number, because 29158149149 - 2⁴ = 29158149133 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 29158149149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29158149649) 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, 75539054 + ... + 75539439.

It is an arithmetic number, because the mean of its divisors is an integer number (7327306959).

Almost surely, 2^29158149149 is an apocalyptic number.

It is an amenable number.

29158149149 is a deficient number, since it is larger than the sum of its proper divisors (151078687).

29158149149 is a wasteful number, since it uses less digits than its factorization.

29158149149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151078686.

The product of its digits is 933120, while the sum is 53.

The spelling of 29158149149 in words is "twenty-nine billion, one hundred fifty-eight million, one hundred forty-nine thousand, one hundred forty-nine".