3377972021 has 8 divisors (see below), whose sum is σ = 3411253560. Its totient is φ = 3344732352.

The previous prime is 3377972011. The next prime is 3377972033. The reversal of 3377972021 is 1202797733.

It can be written as a sum of positive squares in 4 ways, for example, as 1925980996 + 1451991025 = 43886^2 + 38105^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3377972021 - 2³⁰ = 2304230197 is a prime.

It is a super-2 number, since 2×3377972021² = 22821389949317648882, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3377972021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3377972011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166211 + ... + 185423.

It is an arithmetic number, because the mean of its divisors is an integer number (426406695).

Almost surely, 2^3377972021 is an apocalyptic number.

It is an amenable number.

3377972021 is a deficient number, since it is larger than the sum of its proper divisors (33281539).

3377972021 is a wasteful number, since it uses less digits than its factorization.

3377972021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20935.

The product of its (nonzero) digits is 111132, while the sum is 41.

The square root of 3377972021 is about 58120.3236484450. The cubic root of 3377972021 is about 1500.4401702282.

The spelling of 3377972021 in words is "three billion, three hundred seventy-seven million, nine hundred seventy-two thousand, twenty-one".