981456807129 has 8 divisors (see below), whose sum is σ = 1308617883552. Its totient is φ = 654300134400.

The previous prime is 981456807109. The next prime is 981456807157. The reversal of 981456807129 is 921708654189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 981456807129 - 2⁸ = 981456806873 is a prime.

It is a super-2 number, since 2×981456807129² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (981456807109) 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, 540072 + ... + 1501529.

It is an arithmetic number, because the mean of its divisors is an integer number (163577235444).

Almost surely, 2^981456807129 is an apocalyptic number.

It is an amenable number.

981456807129 is a deficient number, since it is larger than the sum of its proper divisors (327161076423).

981456807129 is a wasteful number, since it uses less digits than its factorization.

981456807129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201847.

The product of its (nonzero) digits is 8709120, while the sum is 60.

The spelling of 981456807129 in words is "nine hundred eighty-one billion, four hundred fifty-six million, eight hundred seven thousand, one hundred twenty-nine".