4553531481387 has 16 divisors (see below), whose sum is σ = 6938914498560. Its totient is φ = 2601943041792.

The previous prime is 4553531481337. The next prime is 4553531481451. The reversal of 4553531481387 is 7831841353554.

It is a happy number.

It is not a de Polignac number, because 4553531481387 - 2¹⁸ = 4553531219243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4553531481337) 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, 2372187 + ... + 3838532.

It is an arithmetic number, because the mean of its divisors is an integer number (433682156160).

Almost surely, 2^{4553531481387} is an apocalyptic number.

4553531481387 is a deficient number, since it is larger than the sum of its proper divisors (2385383017173).

4553531481387 is a wasteful number, since it uses less digits than its factorization.

4553531481387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6245642.

The product of its digits is 24192000, while the sum is 57.

The spelling of 4553531481387 in words is "four trillion, five hundred fifty-three billion, five hundred thirty-one million, four hundred eighty-one thousand, three hundred eighty-seven".