4047150021 has 16 divisors (see below), whose sum is σ = 5585700864. Its totient is φ = 2604498624.

The previous prime is 4047150001. The next prime is 4047150059. The reversal of 4047150021 is 1200517404.

It is not a de Polignac number, because 4047150021 - 2¹⁰ = 4047148997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4047149973 and 4047150000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4047150001) 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, 129450 + ... + 157643.

It is an arithmetic number, because the mean of its divisors is an integer number (349106304).

Almost surely, 2^4047150021 is an apocalyptic number.

It is an amenable number.

4047150021 is a deficient number, since it is larger than the sum of its proper divisors (1538550843).

4047150021 is a wasteful number, since it uses less digits than its factorization.

4047150021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287260.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 4047150021 is about 63617.2148164316. The cubic root of 4047150021 is about 1593.6138704059.

Adding to 4047150021 its reverse (1200517404), we get a palindrome (5247667425).

The spelling of 4047150021 in words is "four billion, forty-seven million, one hundred fifty thousand, twenty-one".