6454049971481 has 16 divisors (see below), whose sum is σ = 7576754640000. Its totient is φ = 5381572763520.

The previous prime is 6454049971459. The next prime is 6454049971487. The reversal of 6454049971481 is 1841799404546.

It is a cyclic number.

It is not a de Polignac number, because 6454049971481 - 2¹⁰ = 6454049970457 is a prime.

It is a super-2 number, since 2×6454049971481² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6454049971487) 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, 747731 + ... + 3669768.

It is an arithmetic number, because the mean of its divisors is an integer number (473547165000).

Almost surely, 2^{6454049971481} is an apocalyptic number.

It is an amenable number.

6454049971481 is a deficient number, since it is larger than the sum of its proper divisors (1122704668519).

6454049971481 is a wasteful number, since it uses less digits than its factorization.

6454049971481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423184.

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 6454049971481 in words is "six trillion, four hundred fifty-four billion, forty-nine million, nine hundred seventy-one thousand, four hundred eighty-one".