6461147946 has 16 divisors (see below), whose sum is σ = 14097050208. Its totient is φ = 1957923600.

The previous prime is 6461147939. The next prime is 6461147947. The reversal of 6461147946 is 6497411646.

It is a junction number, because it is equal to n+sod(n) for n = 6461147895 and 6461147904.

It is not an unprimeable number, because it can be changed into a prime (6461147947) 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, 48948025 + ... + 48948156.

It is an arithmetic number, because the mean of its divisors is an integer number (881065638).

Almost surely, 2^6461147946 is an apocalyptic number.

6461147946 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6461147946 is an abundant number, since it is smaller than the sum of its proper divisors (7635902262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6461147946 is a wasteful number, since it uses less digits than its factorization.

6461147946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97896197.

The product of its digits is 870912, while the sum is 48.

The square root of 6461147946 is about 80381.2661383235. The cubic root of 6461147946 is about 1862.5297932925.

The spelling of 6461147946 in words is "six billion, four hundred sixty-one million, one hundred forty-seven thousand, nine hundred forty-six".