3711421644 has 24 divisors (see below), whose sum is σ = 9897124608. Its totient is φ = 1060406160.

The previous prime is 3711421579. The next prime is 3711421667. The reversal of 3711421644 is 4461241173.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22091712 + ... + 22091879.

It is an arithmetic number, because the mean of its divisors is an integer number (412380192).

Almost surely, 2^3711421644 is an apocalyptic number.

It is an amenable number.

3711421644 is an abundant number, since it is smaller than the sum of its proper divisors (6185702964).

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

3711421644 is a wasteful number, since it uses less digits than its factorization.

3711421644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44183605 (or 44183603 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 3711421644 is about 60921.4382955623. The cubic root of 3711421644 is about 1548.2702373930.

The spelling of 3711421644 in words is "three billion, seven hundred eleven million, four hundred twenty-one thousand, six hundred forty-four".