6461967783 has 16 divisors (see below), whose sum is σ = 9016358400. Its totient is φ = 4108852704.

The previous prime is 6461967769. The next prime is 6461967791. The reversal of 6461967783 is 3877691646.

It is not a de Polignac number, because 6461967783 - 2⁶ = 6461967719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461967713) 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, 110091 + ... + 158252.

It is an arithmetic number, because the mean of its divisors is an integer number (563522400).

Almost surely, 2^6461967783 is an apocalyptic number.

6461967783 is a deficient number, since it is larger than the sum of its proper divisors (2554390617).

6461967783 is a wasteful number, since it uses less digits than its factorization.

6461967783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268718.

The product of its digits is 9144576, while the sum is 57.

The square root of 6461967783 is about 80386.3656536356. The cubic root of 6461967783 is about 1862.6085670269.

The spelling of 6461967783 in words is "six billion, four hundred sixty-one million, nine hundred sixty-seven thousand, seven hundred eighty-three".