4151231646 has 32 divisors (see below), whose sum is σ = 8390891520. Its totient is φ = 1369043424.

The previous prime is 4151231573. The next prime is 4151231647. The reversal of 4151231646 is 6461321514.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4151231647) 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, 481651 + ... + 490193.

It is an arithmetic number, because the mean of its divisors is an integer number (262215360).

Almost surely, 2^4151231646 is an apocalyptic number.

4151231646 is an abundant number, since it is smaller than the sum of its proper divisors (4239659874).

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

4151231646 is a wasteful number, since it uses less digits than its factorization.

4151231646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9400.

The product of its digits is 17280, while the sum is 33.

The square root of 4151231646 is about 64430.0523513678. The cubic root of 4151231646 is about 1607.1595359409.

The spelling of 4151231646 in words is "four billion, one hundred fifty-one million, two hundred thirty-one thousand, six hundred forty-six".