129484894706 has 4 divisors (see below), whose sum is σ = 194227342062. Its totient is φ = 64742447352.

The previous prime is 129484894699. The next prime is 129484894727. The reversal of 129484894706 is 607498484921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 607498484921 = 409 ⋅1485326369.

It can be written as a sum of positive squares in only one way, i.e., 118479835681 + 11005059025 = 344209^2 + 104905^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32371223675 + ... + 32371223678.

Almost surely, 2^129484894706 is an apocalyptic number.

129484894706 is a deficient number, since it is larger than the sum of its proper divisors (64742447356).

129484894706 is an equidigital number, since it uses as much as digits as its factorization.

129484894706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64742447355.

The product of its (nonzero) digits is 27869184, while the sum is 62.

The spelling of 129484894706 in words is "one hundred twenty-nine billion, four hundred eighty-four million, eight hundred ninety-four thousand, seven hundred six".