951864449 has 2 divisors, whose sum is σ = 951864450. Its totient is φ = 951864448.

The previous prime is 951864373. The next prime is 951864481. The reversal of 951864449 is 944468159.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 807696400 + 144168049 = 28420^2 + 12007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-951864449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 951864397 and 951864406.

It is not a weakly prime, because it can be changed into another prime (951864049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 475932224 + 475932225.

It is an arithmetic number, because the mean of its divisors is an integer number (475932225).

Almost surely, 2^951864449 is an apocalyptic number.

It is an amenable number.

951864449 is a deficient number, since it is larger than the sum of its proper divisors (1).

951864449 is an equidigital number, since it uses as much as digits as its factorization.

951864449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 50.

The square root of 951864449 is about 30852.3005463126. The cubic root of 951864449 is about 983.6902547152.

The spelling of 951864449 in words is "nine hundred fifty-one million, eight hundred sixty-four thousand, four hundred forty-nine".