4921215017 has 4 divisors (see below), whose sum is σ = 4921422420. Its totient is φ = 4921007616.

The previous prime is 4921214981. The next prime is 4921215031. The reversal of 4921215017 is 7105121294.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7105121294 = 2 ⋅3552560647.

It can be written as a sum of positive squares in 2 ways, for example, as 1451533801 + 3469681216 = 38099^2 + 58904^2 .

It is a cyclic number.

It is not a de Polignac number, because 4921215017 - 2⁸ = 4921214761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4921215617) 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, 62708 + ... + 117365.

It is an arithmetic number, because the mean of its divisors is an integer number (1230355605).

Almost surely, 2^4921215017 is an apocalyptic number.

It is an amenable number.

4921215017 is a deficient number, since it is larger than the sum of its proper divisors (207403).

4921215017 is a wasteful number, since it uses less digits than its factorization.

4921215017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207402.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 4921215017 is about 70151.3721676205. The cubic root of 4921215017 is about 1700.9469945188.

The spelling of 4921215017 in words is "four billion, nine hundred twenty-one million, two hundred fifteen thousand, seventeen".