2457648407 has 2 divisors, whose sum is σ = 2457648408. Its totient is φ = 2457648406.

The previous prime is 2457648307. The next prime is 2457648449. The reversal of 2457648407 is 7048467542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2457648407 - 2¹⁶ = 2457582871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2457648497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228824203 + 1228824204.

It is an arithmetic number, because the mean of its divisors is an integer number (1228824204).

Almost surely, 2^2457648407 is an apocalyptic number.

2457648407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2457648407 is an equidigital number, since it uses as much as digits as its factorization.

2457648407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1505280, while the sum is 47.

The square root of 2457648407 is about 49574.6750569280. The cubic root of 2457648407 is about 1349.5011246775.

The spelling of 2457648407 in words is "two billion, four hundred fifty-seven million, six hundred forty-eight thousand, four hundred seven".