4201544001 has 4 divisors (see below), whose sum is σ = 5602058672. Its totient is φ = 2801029332.

The previous prime is 4201543993. The next prime is 4201544047. The reversal of 4201544001 is 1004451024.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4201544001 - 2³ = 4201543993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4201544051) 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, 700257331 + ... + 700257336.

It is an arithmetic number, because the mean of its divisors is an integer number (1400514668).

Almost surely, 2^4201544001 is an apocalyptic number.

It is an amenable number.

4201544001 is a deficient number, since it is larger than the sum of its proper divisors (1400514671).

4201544001 is a wasteful number, since it uses less digits than its factorization.

4201544001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400514670.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 4201544001 is about 64819.3181158210. The cubic root of 4201544001 is about 1613.6263309644.

Adding to 4201544001 its reverse (1004451024), we get a palindrome (5205995025).

The spelling of 4201544001 in words is "four billion, two hundred one million, five hundred forty-four thousand, one".