2249477851 has 2 divisors, whose sum is σ = 2249477852. Its totient is φ = 2249477850.

The previous prime is 2249477843. The next prime is 2249477917. The reversal of 2249477851 is 1587749422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2249477851 - 2³ = 2249477843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2249477795 and 2249477804.

It is not a weakly prime, because it can be changed into another prime (2249477551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124738925 + 1124738926.

It is an arithmetic number, because the mean of its divisors is an integer number (1124738926).

Almost surely, 2^2249477851 is an apocalyptic number.

2249477851 is a deficient number, since it is larger than the sum of its proper divisors (1).

2249477851 is an equidigital number, since it uses as much as digits as its factorization.

2249477851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 49.

The square root of 2249477851 is about 47428.6606494428. The cubic root of 2249477851 is about 1310.2693250032.

The spelling of 2249477851 in words is "two billion, two hundred forty-nine million, four hundred seventy-seven thousand, eight hundred fifty-one".