4021647474 has 32 divisors (see below), whose sum is σ = 9038623104. Its totient is φ = 1183628160.

The previous prime is 4021647437. The next prime is 4021647493. The reversal of 4021647474 is 4747461204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1119067 + ... + 1122654.

It is an arithmetic number, because the mean of its divisors is an integer number (282456972).

Almost surely, 2^4021647474 is an apocalyptic number.

4021647474 is an abundant number, since it is smaller than the sum of its proper divisors (5016975630).

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

4021647474 is a wasteful number, since it uses less digits than its factorization.

4021647474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241762.

The product of its (nonzero) digits is 150528, while the sum is 39.

The square root of 4021647474 is about 63416.4605918684. The cubic root of 4021647474 is about 1590.2595035482.

The spelling of 4021647474 in words is "four billion, twenty-one million, six hundred forty-seven thousand, four hundred seventy-four".