4981661215 has 16 divisors (see below), whose sum is σ = 6335580672. Its totient is φ = 3747377664.

The previous prime is 4981661213. The next prime is 4981661221. The reversal of 4981661215 is 5121661894.

It is a cyclic number.

It is not a de Polignac number, because 4981661215 - 2¹ = 4981661213 is a prime.

It is a super-2 number, since 2×4981661215² = 49633896922070552450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4981661213) 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, 65437 + ... + 119353.

It is an arithmetic number, because the mean of its divisors is an integer number (395973792).

Almost surely, 2^4981661215 is an apocalyptic number.

4981661215 is a deficient number, since it is larger than the sum of its proper divisors (1353919457).

4981661215 is a wasteful number, since it uses less digits than its factorization.

4981661215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55026.

The product of its digits is 103680, while the sum is 43.

The square root of 4981661215 is about 70580.8842038693. The cubic root of 4981661215 is about 1707.8827934452.

The spelling of 4981661215 in words is "four billion, nine hundred eighty-one million, six hundred sixty-one thousand, two hundred fifteen".