29784466490 has 32 divisors (see below), whose sum is σ = 53883325440. Its totient is φ = 11853563904.

The previous prime is 29784466489. The next prime is 29784466493. The reversal of 29784466490 is 9466448792.

It is a super-2 number, since 2×29784466490² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29784466493) 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, 5993987 + ... + 5998953.

It is an arithmetic number, because the mean of its divisors is an integer number (1683853920).

Almost surely, 2^29784466490 is an apocalyptic number.

29784466490 is a deficient number, since it is larger than the sum of its proper divisors (24098858950).

29784466490 is a wasteful number, since it uses less digits than its factorization.

29784466490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7886.

The product of its (nonzero) digits is 20901888, while the sum is 59.

The spelling of 29784466490 in words is "twenty-nine billion, seven hundred eighty-four million, four hundred sixty-six thousand, four hundred ninety".