6478016417 has 4 divisors (see below), whose sum is σ = 6527467056. Its totient is φ = 6428565780.

The previous prime is 6478016399. The next prime is 6478016429. The reversal of 6478016417 is 7146108746.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6478016417 - 2²⁸ = 6209580961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6478016437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24725123 + ... + 24725384.

It is an arithmetic number, because the mean of its divisors is an integer number (1631866764).

Almost surely, 2^6478016417 is an apocalyptic number.

It is an amenable number.

6478016417 is a deficient number, since it is larger than the sum of its proper divisors (49450639).

6478016417 is a wasteful number, since it uses less digits than its factorization.

6478016417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49450638.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 6478016417 is about 80486.1256180219. The cubic root of 6478016417 is about 1864.1492541100.

The spelling of 6478016417 in words is "six billion, four hundred seventy-eight million, sixteen thousand, four hundred seventeen".