29494834820 has 24 divisors (see below), whose sum is σ = 67569985728. Its totient is φ = 10725394400.

The previous prime is 29494834793. The next prime is 29494834823. The reversal of 29494834820 is 2843849492.

It is not an unprimeable number, because it can be changed into a prime (29494834823) 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, 67033496 + ... + 67033935.

It is an arithmetic number, because the mean of its divisors is an integer number (2815416072).

Almost surely, 2^29494834820 is an apocalyptic number.

29494834820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29494834820 is an abundant number, since it is smaller than the sum of its proper divisors (38075150908).

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

29494834820 is a wasteful number, since it uses less digits than its factorization.

29494834820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134067451 (or 134067449 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 29494834820 in words is "twenty-nine billion, four hundred ninety-four million, eight hundred thirty-four thousand, eight hundred twenty".