29866489338 has 32 divisors (see below), whose sum is σ = 72281925504. Its totient is φ = 8031324672.

The previous prime is 29866489337. The next prime is 29866489361. The reversal of 29866489338 is 83398466892.

It is a happy number.

It is a super-3 number, since 3×29866489338³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (29866489337) 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, 20914195 + ... + 20915622.

It is an arithmetic number, because the mean of its divisors is an integer number (2258810172).

Almost surely, 2^29866489338 is an apocalyptic number.

29866489338 is an abundant number, since it is smaller than the sum of its proper divisors (42415436166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29866489338 is a wasteful number, since it uses less digits than its factorization.

29866489338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41829846.

The product of its digits is 107495424, while the sum is 66.

The spelling of 29866489338 in words is "twenty-nine billion, eight hundred sixty-six million, four hundred eighty-nine thousand, three hundred thirty-eight".