147631633449 has 32 divisors (see below), whose sum is σ = 214477440000. Its totient is φ = 89971124544.

The previous prime is 147631633403. The next prime is 147631633463. The reversal of 147631633449 is 944336136741.

It is not a de Polignac number, because 147631633449 - 2⁹ = 147631632937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147631633349) 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, 2782164 + ... + 2834730.

It is an arithmetic number, because the mean of its divisors is an integer number (6702420000).

Almost surely, 2^147631633449 is an apocalyptic number.

147631633449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

147631633449 is a deficient number, since it is larger than the sum of its proper divisors (66845806551).

147631633449 is a wasteful number, since it uses less digits than its factorization.

147631633449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54317.

The product of its digits is 3919104, while the sum is 51.

The spelling of 147631633449 in words is "one hundred forty-seven billion, six hundred thirty-one million, six hundred thirty-three thousand, four hundred forty-nine".