4998996641 has 4 divisors (see below), whose sum is σ = 5024898372. Its totient is φ = 4973094912.

The previous prime is 4998996619. The next prime is 4998996643. The reversal of 4998996641 is 1466998994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1466998994 = 2 ⋅733499497.

It can be written as a sum of positive squares in 2 ways, for example, as 2432561041 + 2566435600 = 49321^2 + 50660^2 .

It is a cyclic number.

It is not a de Polignac number, because 4998996641 - 2¹⁸ = 4998734497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4998996643) 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, 12950576 + ... + 12950961.

It is an arithmetic number, because the mean of its divisors is an integer number (1256224593).

Almost surely, 2^4998996641 is an apocalyptic number.

It is an amenable number.

4998996641 is a deficient number, since it is larger than the sum of its proper divisors (25901731).

4998996641 is a wasteful number, since it uses less digits than its factorization.

4998996641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25901730.

The product of its digits is 30233088, while the sum is 65.

The square root of 4998996641 is about 70703.5829431578. The cubic root of 4998996641 is about 1709.8615577078.

The spelling of 4998996641 in words is "four billion, nine hundred ninety-eight million, nine hundred ninety-six thousand, six hundred forty-one".