29149750538 has 8 divisors (see below), whose sum is σ = 43739917380. Its totient is φ = 14569778080.

The previous prime is 29149750489. The next prime is 29149750547. The reversal of 29149750538 is 83505794192.

It can be written as a sum of positive squares in 2 ways, for example, as 26616943609 + 2532806929 = 163147^2 + 50327^2 .

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

It is a super-4 number, since 4×29149750538⁴ (a number of 43 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29149750538.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2541443 + ... + 2552886.

Almost surely, 2^29149750538 is an apocalyptic number.

29149750538 is a deficient number, since it is larger than the sum of its proper divisors (14590166842).

29149750538 is a wasteful number, since it uses less digits than its factorization.

29149750538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097192.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 29149750538 in words is "twenty-nine billion, one hundred forty-nine million, seven hundred fifty thousand, five hundred thirty-eight".