4941749651 has 2 divisors, whose sum is σ = 4941749652. Its totient is φ = 4941749650.

The previous prime is 4941749641. The next prime is 4941749693. The reversal of 4941749651 is 1569471494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4941749651 - 2²² = 4937555347 is a prime.

It is a super-2 number, since 2×4941749651² = 48841779226317243602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4941749651.

It is not a weakly prime, because it can be changed into another prime (4941749621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2470874825 + 2470874826.

It is an arithmetic number, because the mean of its divisors is an integer number (2470874826).

Almost surely, 2^4941749651 is an apocalyptic number.

4941749651 is a deficient number, since it is larger than the sum of its proper divisors (1).

4941749651 is an equidigital number, since it uses as much as digits as its factorization.

4941749651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The square root of 4941749651 is about 70297.5792684215. The cubic root of 4941749651 is about 1703.3095448680.

The spelling of 4941749651 in words is "four billion, nine hundred forty-one million, seven hundred forty-nine thousand, six hundred fifty-one".