551446963 has 2 divisors, whose sum is σ = 551446964. Its totient is φ = 551446962.

The previous prime is 551446943. The next prime is 551446967. The reversal of 551446963 is 369644155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551446963 - 2⁹ = 551446451 is a prime.

It is equal to p_28917439 and since 551446963 and 28917439 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (551446967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275723481 + 275723482.

It is an arithmetic number, because the mean of its divisors is an integer number (275723482).

Almost surely, 2^551446963 is an apocalyptic number.

551446963 is a deficient number, since it is larger than the sum of its proper divisors (1).

551446963 is an equidigital number, since it uses as much as digits as its factorization.

551446963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 43.

The square root of 551446963 is about 23482.9078906340. The cubic root of 551446963 is about 820.0391429857.

The spelling of 551446963 in words is "five hundred fifty-one million, four hundred forty-six thousand, nine hundred sixty-three".