29012902539 has 4 divisors (see below), whose sum is σ = 38683870056. Its totient is φ = 19341935024.

The previous prime is 29012902493. The next prime is 29012902571. The reversal of 29012902539 is 93520921092.

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

It is a cyclic number.

It is not a de Polignac number, because 29012902539 - 2¹⁵ = 29012869771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29012902539.

It is not an unprimeable number, because it can be changed into a prime (29012902579) 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, 4835483754 + ... + 4835483759.

It is an arithmetic number, because the mean of its divisors is an integer number (9670967514).

Almost surely, 2^29012902539 is an apocalyptic number.

29012902539 is a deficient number, since it is larger than the sum of its proper divisors (9670967517).

29012902539 is an equidigital number, since it uses as much as digits as its factorization.

29012902539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9670967516.

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 29012902539 in words is "twenty-nine billion, twelve million, nine hundred two thousand, five hundred thirty-nine".