29802781141 has 64 divisors (see below), whose sum is σ = 37620785664. Its totient is φ = 23030784000.

The previous prime is 29802781117. The next prime is 29802781157. The reversal of 29802781141 is 14118720892.

It is not a de Polignac number, because 29802781141 - 2¹¹ = 29802779093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29802781181) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97077310 + ... + 97077616.

It is an arithmetic number, because the mean of its divisors is an integer number (587824776).

Almost surely, 2^29802781141 is an apocalyptic number.

It is an amenable number.

29802781141 is a deficient number, since it is larger than the sum of its proper divisors (7818004523).

29802781141 is a wasteful number, since it uses less digits than its factorization.

29802781141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670.

The product of its (nonzero) digits is 64512, while the sum is 43.

The spelling of 29802781141 in words is "twenty-nine billion, eight hundred two million, seven hundred eighty-one thousand, one hundred forty-one".