29124501971139 has 6 divisors (see below), whose sum is σ = 42068725069436. Its totient is φ = 19416334647420.

The previous prime is 29124501971137. The next prime is 29124501971189. The reversal of 29124501971139 is 93117910542192.

29124501971139 is a `hidden beast` number, since 2 + 9 + 1 + 2 + 4 + 501 + 97 + 11 + 39 = 666.

It is not a de Polignac number, because 29124501971139 - 2¹ = 29124501971137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29124501971137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1618027887277 + ... + 1618027887294.

Almost surely, 2^{29124501971139} is an apocalyptic number.

29124501971139 is a deficient number, since it is larger than the sum of its proper divisors (12944223098297).

29124501971139 is a wasteful number, since it uses less digits than its factorization.

29124501971139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236055774577 (or 3236055774574 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The spelling of 29124501971139 in words is "twenty-nine trillion, one hundred twenty-four billion, five hundred one million, nine hundred seventy-one thousand, one hundred thirty-nine".