6461001745 has 8 divisors (see below), whose sum is σ = 8458038720. Its totient is φ = 4698910320.

The previous prime is 6461001739. The next prime is 6461001823. The reversal of 6461001745 is 5471001646.

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

It is not a de Polignac number, because 6461001745 - 2²⁹ = 5924130833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6461001745.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58736325 + ... + 58736434.

It is an arithmetic number, because the mean of its divisors is an integer number (1057254840).

Almost surely, 2^6461001745 is an apocalyptic number.

It is an amenable number.

6461001745 is a deficient number, since it is larger than the sum of its proper divisors (1997036975).

6461001745 is a wasteful number, since it uses less digits than its factorization.

6461001745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117472775.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 6461001745 is about 80380.3567110771. The cubic root of 6461001745 is about 1862.5157449234.

Subtracting from 6461001745 its reverse (5471001646), we obtain a palindrome (990000099).

The spelling of 6461001745 in words is "six billion, four hundred sixty-one million, one thousand, seven hundred forty-five".