29145740309 has 16 divisors (see below), whose sum is σ = 33557784576. Its totient is φ = 24796368000.

The previous prime is 29145740263. The next prime is 29145740329. The reversal of 29145740309 is 90304754192.

It is a cyclic number.

It is not a de Polignac number, because 29145740309 - 2²⁴ = 29128963093 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 29145740309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29145740329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587159 + ... + 634859.

It is an arithmetic number, because the mean of its divisors is an integer number (2097361536).

Almost surely, 2^29145740309 is an apocalyptic number.

It is an amenable number.

29145740309 is a deficient number, since it is larger than the sum of its proper divisors (4412044267).

29145740309 is a wasteful number, since it uses less digits than its factorization.

29145740309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48356.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 29145740309 in words is "twenty-nine billion, one hundred forty-five million, seven hundred forty thousand, three hundred nine".