1408729147881 has 8 divisors (see below), whose sum is σ = 2049060578784. Its totient is φ = 853775241120.

The previous prime is 1408729147853. The next prime is 1408729147933. The reversal of 1408729147881 is 1887419278041.

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

It is not a de Polignac number, because 1408729147881 - 2²⁹ = 1408192276969 is a prime.

It is a super-2 number, since 2×1408729147881² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1408729147841) 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, 21344380996 + ... + 21344381061.

It is an arithmetic number, because the mean of its divisors is an integer number (256132572348).

Almost surely, 2^{1408729147881} is an apocalyptic number.

1408729147881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1408729147881 is a deficient number, since it is larger than the sum of its proper divisors (640331430903).

1408729147881 is a wasteful number, since it uses less digits than its factorization.

1408729147881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42688762071.

The product of its (nonzero) digits is 7225344, while the sum is 60.

The spelling of 1408729147881 in words is "one trillion, four hundred eight billion, seven hundred twenty-nine million, one hundred forty-seven thousand, eight hundred eighty-one".