9628414451 has 2 divisors, whose sum is σ = 9628414452. Its totient is φ = 9628414450.

The previous prime is 9628414421. The next prime is 9628414489. The reversal of 9628414451 is 1544148269.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9628414451 - 2⁶ = 9628414387 is a prime.

It is not a weakly prime, because it can be changed into another prime (9628414421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4814207225 + 4814207226.

It is an arithmetic number, because the mean of its divisors is an integer number (4814207226).

Almost surely, 2^9628414451 is an apocalyptic number.

9628414451 is a deficient number, since it is larger than the sum of its proper divisors (1).

9628414451 is an equidigital number, since it uses as much as digits as its factorization.

9628414451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 44.

The square root of 9628414451 is about 98124.4844623400. The cubic root of 9628414451 is about 2127.4119382330.

The spelling of 9628414451 in words is "nine billion, six hundred twenty-eight million, four hundred fourteen thousand, four hundred fifty-one".