29539746890 has 16 divisors (see below), whose sum is σ = 56299282632. Its totient is φ = 11120845824.

The previous prime is 29539746889. The next prime is 29539746911. The reversal of 29539746890 is 9864793592.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28143753121 + 1395993769 = 167761^2 + 37363^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86881439 + ... + 86881778.

Almost surely, 2^29539746890 is an apocalyptic number.

29539746890 is a deficient number, since it is larger than the sum of its proper divisors (26759535742).

29539746890 is a wasteful number, since it uses less digits than its factorization.

29539746890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173763241.

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 29539746890 in words is "twenty-nine billion, five hundred thirty-nine million, seven hundred forty-six thousand, eight hundred ninety".