4901215649 has 4 divisors (see below), whose sum is σ = 5346780720. Its totient is φ = 4455650580.

The previous prime is 4901215633. The next prime is 4901215679. The reversal of 4901215649 is 9465121094.

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 a cyclic number.

It is not a de Polignac number, because 4901215649 - 2⁴ = 4901215633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4901215679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222782519 + ... + 222782540.

It is an arithmetic number, because the mean of its divisors is an integer number (1336695180).

Almost surely, 2^4901215649 is an apocalyptic number.

It is an amenable number.

4901215649 is a deficient number, since it is larger than the sum of its proper divisors (445565071).

4901215649 is a wasteful number, since it uses less digits than its factorization.

4901215649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445565070.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 4901215649 is about 70008.6826686519. The cubic root of 4901215649 is about 1698.6397017785.

The spelling of 4901215649 in words is "four billion, nine hundred one million, two hundred fifteen thousand, six hundred forty-nine".