2401649771 has 2 divisors, whose sum is σ = 2401649772. Its totient is φ = 2401649770.

The previous prime is 2401649699. The next prime is 2401649779. The reversal of 2401649771 is 1779461042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2401649771 - 2³⁰ = 1327907947 is a prime.

It is not a weakly prime, because it can be changed into another prime (2401649779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200824885 + 1200824886.

It is an arithmetic number, because the mean of its divisors is an integer number (1200824886).

Almost surely, 2^2401649771 is an apocalyptic number.

2401649771 is a deficient number, since it is larger than the sum of its proper divisors (1).

2401649771 is an equidigital number, since it uses as much as digits as its factorization.

2401649771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 2401649771 is about 49006.6298678046. The cubic root of 2401649771 is about 1339.1726107491.

The spelling of 2401649771 in words is "two billion, four hundred one million, six hundred forty-nine thousand, seven hundred seventy-one".