6461814455 has 8 divisors (see below), whose sum is σ = 7757424000. Its totient is φ = 5167287136.

The previous prime is 6461814451. The next prime is 6461814497. The reversal of 6461814455 is 5544181646.

It is a happy number.

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 6461814455 - 2² = 6461814451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461814451) 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, 257360 + ... + 281349.

It is an arithmetic number, because the mean of its divisors is an integer number (969678000).

Almost surely, 2^6461814455 is an apocalyptic number.

6461814455 is a deficient number, since it is larger than the sum of its proper divisors (1295609545).

6461814455 is a wasteful number, since it uses less digits than its factorization.

6461814455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541113.

The product of its digits is 460800, while the sum is 44.

The square root of 6461814455 is about 80385.4119539111. The cubic root of 6461814455 is about 1862.5938350694.

The spelling of 6461814455 in words is "six billion, four hundred sixty-one million, eight hundred fourteen thousand, four hundred fifty-five".