8490436877481 has 8 divisors (see below), whose sum is σ = 12191396542080. Its totient is φ = 5224884232272.

The previous prime is 8490436877479. The next prime is 8490436877509. The reversal of 8490436877481 is 1847786340948.

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

It is not a de Polignac number, because 8490436877481 - 2¹ = 8490436877479 is a prime.

It is a super-2 number, since 2×8490436877481² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8490436877411) 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, 108851754801 + ... + 108851754878.

It is an arithmetic number, because the mean of its divisors is an integer number (1523924567760).

Almost surely, 2^{8490436877481} is an apocalyptic number.

It is an amenable number.

8490436877481 is a deficient number, since it is larger than the sum of its proper divisors (3700959664599).

8490436877481 is a wasteful number, since it uses less digits than its factorization.

8490436877481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217703509695.

The product of its (nonzero) digits is 260112384, while the sum is 69.

The spelling of 8490436877481 in words is "eight trillion, four hundred ninety billion, four hundred thirty-six million, eight hundred seventy-seven thousand, four hundred eighty-one".