4021551363 has 4 divisors (see below), whose sum is σ = 5362068488. Its totient is φ = 2681034240.

The previous prime is 4021551337. The next prime is 4021551371. The reversal of 4021551363 is 3631551204.

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

It is not a de Polignac number, because 4021551363 - 2⁶ = 4021551299 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 4021551363.

It is not an unprimeable number, because it can be changed into a prime (4021551563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670258558 + ... + 670258563.

It is an arithmetic number, because the mean of its divisors is an integer number (1340517122).

Almost surely, 2^4021551363 is an apocalyptic number.

4021551363 is a deficient number, since it is larger than the sum of its proper divisors (1340517125).

4021551363 is a wasteful number, since it uses less digits than its factorization.

4021551363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340517124.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 4021551363 is about 63415.7028108969. The cubic root of 4021551363 is about 1590.2468352202.

The spelling of 4021551363 in words is "four billion, twenty-one million, five hundred fifty-one thousand, three hundred sixty-three".