29866893452 has 24 divisors (see below), whose sum is σ = 57025914960.
Its totient is φ = 13574122560.
The previous prime is 29866893451. The next prime is 29866893457. The reversal of 29866893452 is 25439866892.
It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (29866893451) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342674 + ... + 420902.
It is an arithmetic number, because the mean of its divisors is an integer number (2376079790).
Almost surely, 229866893452 is an apocalyptic number.
29866893452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
29866893452 is a deficient number, since it is larger than the sum of its proper divisors (27159021508).
29866893452 is a wasteful number, since it uses less digits than its factorization.
29866893452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86921 (or 86919 counting only the distinct ones).
The product of its digits is 44789760, while the sum is 62.
The spelling of 29866893452 in words is "twenty-nine billion, eight hundred sixty-six million, eight hundred ninety-three thousand, four hundred fifty-two".