4021215297 has 8 divisors (see below), whose sum is σ = 5849040480. Its totient is φ = 2437100160.

The previous prime is 4021215283. The next prime is 4021215301. The reversal of 4021215297 is 7925121204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4021215297 - 2⁸ = 4021215041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 121855009 = 4021215297 / (4 + 0 + 2 + 1 + 2 + 1 + 5 + 2 + 9 + 7).

It is not an unprimeable number, because it can be changed into a prime (4021215217) 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 7 ways as a sum of consecutive naturals, for example, 60927472 + ... + 60927537.

It is an arithmetic number, because the mean of its divisors is an integer number (731130060).

Almost surely, 2^4021215297 is an apocalyptic number.

It is an amenable number.

4021215297 is a deficient number, since it is larger than the sum of its proper divisors (1827825183).

4021215297 is a wasteful number, since it uses less digits than its factorization.

4021215297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121855023.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 4021215297 is about 63413.0530490372. The cubic root of 4021215297 is about 1590.2025369936.

The spelling of 4021215297 in words is "four billion, twenty-one million, two hundred fifteen thousand, two hundred ninety-seven".