2445649951 has 2 divisors, whose sum is σ = 2445649952. Its totient is φ = 2445649950.

The previous prime is 2445649889. The next prime is 2445649963. The reversal of 2445649951 is 1599465442.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2445649951 - 2¹⁹ = 2445125663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2445649895 and 2445649904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2445649991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222824975 + 1222824976.

It is an arithmetic number, because the mean of its divisors is an integer number (1222824976).

Almost surely, 2^2445649951 is an apocalyptic number.

2445649951 is a deficient number, since it is larger than the sum of its proper divisors (1).

2445649951 is an equidigital number, since it uses as much as digits as its factorization.

2445649951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 49.

The square root of 2445649951 is about 49453.5130299153. The cubic root of 2445649951 is about 1347.3014132697.

The spelling of 2445649951 in words is "two billion, four hundred forty-five million, six hundred forty-nine thousand, nine hundred fifty-one".