4981948577 has 4 divisors (see below), whose sum is σ = 4982601876. Its totient is φ = 4981295280.

The previous prime is 4981948571. The next prime is 4981948579. The reversal of 4981948577 is 7758491894.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7758491894 = 2 ⋅3879245947.

It can be written as a sum of positive squares in 2 ways, for example, as 1766604961 + 3215343616 = 42031^2 + 56704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4981948577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4981948571) 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, 315074 + ... + 330507.

It is an arithmetic number, because the mean of its divisors is an integer number (1245650469).

Almost surely, 2^4981948577 is an apocalyptic number.

It is an amenable number.

4981948577 is a deficient number, since it is larger than the sum of its proper divisors (653299).

4981948577 is an equidigital number, since it uses as much as digits as its factorization.

4981948577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653298.

The product of its digits is 20321280, while the sum is 62.

The square root of 4981948577 is about 70582.9198673447. The cubic root of 4981948577 is about 1707.9156319675.

The spelling of 4981948577 in words is "four billion, nine hundred eighty-one million, nine hundred forty-eight thousand, five hundred seventy-seven".