2455954278247 has 2 divisors, whose sum is σ = 2455954278248. Its totient is φ = 2455954278246.

The previous prime is 2455954278233. The next prime is 2455954278289. The reversal of 2455954278247 is 7428724595542.

2455954278247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2455954278247 is a prime.

It is a super-2 number, since 2×2455954278247² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2455954278647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227977139123 + 1227977139124.

It is an arithmetic number, because the mean of its divisors is an integer number (1227977139124).

Almost surely, 2^{2455954278247} is an apocalyptic number.

2455954278247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2455954278247 is an equidigital number, since it uses as much as digits as its factorization.

2455954278247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792000, while the sum is 64.

The spelling of 2455954278247 in words is "two trillion, four hundred fifty-five billion, nine hundred fifty-four million, two hundred seventy-eight thousand, two hundred forty-seven".