29002662639 has 12 divisors (see below), whose sum is σ = 43024971496. Its totient is φ = 18812537712.

The previous prime is 29002662631. The next prime is 29002662641. The reversal of 29002662639 is 93626620092.

It is a happy number.

29002662639 is a `hidden beast` number, since 2 + 9 + 0 + 0 + 2 + 6 + 6 + 2 + 639 = 666.

It is not a de Polignac number, because 29002662639 - 2³ = 29002662631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29002662594 and 29002662603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29002662631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43547209 + ... + 43547874.

Almost surely, 2^29002662639 is an apocalyptic number.

29002662639 is a deficient number, since it is larger than the sum of its proper divisors (14022308857).

29002662639 is a wasteful number, since it uses less digits than its factorization.

29002662639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87095126 (or 87095123 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 29002662639 in words is "twenty-nine billion, two million, six hundred sixty-two thousand, six hundred thirty-nine".