29798464389 has 32 divisors (see below), whose sum is σ = 42003456000. Its totient is φ = 18738817344.

The previous prime is 29798464387. The next prime is 29798464393. The reversal of 29798464389 is 98346489792.

It is not a de Polignac number, because 29798464389 - 2¹ = 29798464387 is a prime.

It is a super-2 number, since 2×29798464389² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29798464387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16939692 + ... + 16941450.

It is an arithmetic number, because the mean of its divisors is an integer number (1312608000).

Almost surely, 2^29798464389 is an apocalyptic number.

It is an amenable number.

29798464389 is a deficient number, since it is larger than the sum of its proper divisors (12204991611).

29798464389 is a wasteful number, since it uses less digits than its factorization.

29798464389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897.

The product of its digits is 188116992, while the sum is 69.

The spelling of 29798464389 in words is "twenty-nine billion, seven hundred ninety-eight million, four hundred sixty-four thousand, three hundred eighty-nine".