1648260479 has 2 divisors, whose sum is σ = 1648260480. Its totient is φ = 1648260478.

The previous prime is 1648260451. The next prime is 1648260553. The reversal of 1648260479 is 9740628461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1648260479 - 2¹⁶ = 1648194943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1648260379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 824130239 + 824130240.

It is an arithmetic number, because the mean of its divisors is an integer number (824130240).

Almost surely, 2^1648260479 is an apocalyptic number.

1648260479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1648260479 is an equidigital number, since it uses as much as digits as its factorization.

1648260479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 1648260479 is about 40598.7743534211. The cubic root of 1648260479 is about 1181.2503453840.

The spelling of 1648260479 in words is "one billion, six hundred forty-eight million, two hundred sixty thousand, four hundred seventy-nine".