4917918451 has 2 divisors, whose sum is σ = 4917918452. Its totient is φ = 4917918450.

The previous prime is 4917918449. The next prime is 4917918463. The reversal of 4917918451 is 1548197194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4917918451 - 2¹ = 4917918449 is a prime.

Together with 4917918449, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4917918395 and 4917918404.

It is not a weakly prime, because it can be changed into another prime (4917918431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2458959225 + 2458959226.

It is an arithmetic number, because the mean of its divisors is an integer number (2458959226).

Almost surely, 2^4917918451 is an apocalyptic number.

4917918451 is a deficient number, since it is larger than the sum of its proper divisors (1).

4917918451 is an equidigital number, since it uses as much as digits as its factorization.

4917918451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 49.

The square root of 4917918451 is about 70127.8721408257. The cubic root of 4917918451 is about 1700.5671061833.

The spelling of 4917918451 in words is "four billion, nine hundred seventeen million, nine hundred eighteen thousand, four hundred fifty-one".