4021514653 has 16 divisors (see below), whose sum is σ = 4366252800. Its totient is φ = 3681944640.

The previous prime is 4021514633. The next prime is 4021514657. The reversal of 4021514653 is 3564151204.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021514653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021514657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 983868 + ... + 987946.

It is an arithmetic number, because the mean of its divisors is an integer number (272890800).

Almost surely, 2^4021514653 is an apocalyptic number.

It is an amenable number.

4021514653 is a deficient number, since it is larger than the sum of its proper divisors (344738147).

4021514653 is a wasteful number, since it uses less digits than its factorization.

4021514653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4692.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 4021514653 is about 63415.4133708833. The cubic root of 4021514653 is about 1590.2419964458.

Adding to 4021514653 its reverse (3564151204), we get a palindrome (7585665857).

The spelling of 4021514653 in words is "four billion, twenty-one million, five hundred fourteen thousand, six hundred fifty-three".