4021376602 has 4 divisors (see below), whose sum is σ = 6032064906. Its totient is φ = 2010688300.

The previous prime is 4021376599. The next prime is 4021376609. The reversal of 4021376602 is 2066731204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3267379921 + 753996681 = 57161^2 + 27459^2 .

It is a super-2 number, since 2×4021376602² = 32342939550226132808, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4021376609) by changing a digit.

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 as a sum of consecutive naturals, namely, 1005344149 + ... + 1005344152.

Almost surely, 2^4021376602 is an apocalyptic number.

4021376602 is a deficient number, since it is larger than the sum of its proper divisors (2010688304).

4021376602 is a wasteful number, since it uses less digits than its factorization.

4021376602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010688303.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 4021376602 is about 63414.3248958782. The cubic root of 4021376602 is about 1590.2237995698.

The spelling of 4021376602 in words is "four billion, twenty-one million, three hundred seventy-six thousand, six hundred two".