6481954169 has 8 divisors (see below), whose sum is σ = 6711154560. Its totient is φ = 6253132816.

The previous prime is 6481954153. The next prime is 6481954201. The reversal of 6481954169 is 9614591846.

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

It is a cyclic number.

It is not a de Polignac number, because 6481954169 - 2⁴ = 6481954153 is a prime.

It is a super-2 number, since 2×6481954169² = 84031459698032961122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6481954169.

It is not an unprimeable number, because it can be changed into a prime (6481954109) 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, 59729 + ... + 128574.

It is an arithmetic number, because the mean of its divisors is an integer number (838894320).

Almost surely, 2^6481954169 is an apocalyptic number.

It is an amenable number.

6481954169 is a deficient number, since it is larger than the sum of its proper divisors (229200391).

6481954169 is a wasteful number, since it uses less digits than its factorization.

6481954169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189519.

The product of its digits is 1866240, while the sum is 53.

The square root of 6481954169 is about 80510.5842048112. The cubic root of 6481954169 is about 1864.5268939167.

The spelling of 6481954169 in words is "six billion, four hundred eighty-one million, nine hundred fifty-four thousand, one hundred sixty-nine".