4063621345 has 16 divisors (see below), whose sum is σ = 5574152448. Its totient is φ = 2785890240.

The previous prime is 4063621339. The next prime is 4063621349. The reversal of 4063621345 is 5431263604.

It is not a de Polignac number, because 4063621345 - 2¹⁷ = 4063490273 is a prime.

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 4063621345.

It is not an unprimeable number, because it can be changed into a prime (4063621349) 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 15 ways as a sum of consecutive naturals, for example, 211687 + ... + 230083.

It is an arithmetic number, because the mean of its divisors is an integer number (348384528).

Almost surely, 2^4063621345 is an apocalyptic number.

It is an amenable number.

4063621345 is a deficient number, since it is larger than the sum of its proper divisors (1510531103).

4063621345 is a wasteful number, since it uses less digits than its factorization.

4063621345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24720.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 4063621345 is about 63746.5398668822. The cubic root of 4063621345 is about 1595.7728712460.

Adding to 4063621345 its reverse (5431263604), we get a palindrome (9494884949).

The spelling of 4063621345 in words is "four billion, sixty-three million, six hundred twenty-one thousand, three hundred forty-five".