487243434381 has 64 divisors (see below), whose sum is σ = 783855138816. Its totient is φ = 265565696000.

The previous prime is 487243434341. The next prime is 487243434389. The reversal of 487243434381 is 183434342784.

It is not a de Polignac number, because 487243434381 - 2⁹ = 487243433869 is a prime.

It is a super-2 number, since 2×487243434381² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487243434389) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12586906 + ... + 12625556.

It is an arithmetic number, because the mean of its divisors is an integer number (12247736544).

Almost surely, 2^487243434381 is an apocalyptic number.

It is an amenable number.

487243434381 is a deficient number, since it is larger than the sum of its proper divisors (296611704435).

487243434381 is a wasteful number, since it uses less digits than its factorization.

487243434381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39682.

The product of its digits is 6193152, while the sum is 51.

The spelling of 487243434381 in words is "four hundred eighty-seven billion, two hundred forty-three million, four hundred thirty-four thousand, three hundred eighty-one".