1264504363 has 2 divisors, whose sum is σ = 1264504364. Its totient is φ = 1264504362.

The previous prime is 1264504301. The next prime is 1264504399. The reversal of 1264504363 is 3634054621.

It is a strong prime.

It is an emirp because it is prime and its reverse (3634054621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1264504363 is a prime.

It is not a weakly prime, because it can be changed into another prime (1264504463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632252181 + 632252182.

It is an arithmetic number, because the mean of its divisors is an integer number (632252182).

Almost surely, 2^1264504363 is an apocalyptic number.

1264504363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264504363 is an equidigital number, since it uses as much as digits as its factorization.

1264504363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 1264504363 is about 35559.8701206852. The cubic root of 1264504363 is about 1081.3678265217.

Adding to 1264504363 its reverse (3634054621), we get a palindrome (4898558984).

The spelling of 1264504363 in words is "one billion, two hundred sixty-four million, five hundred four thousand, three hundred sixty-three".