1264472437 has 2 divisors, whose sum is σ = 1264472438. Its totient is φ = 1264472436.

The previous prime is 1264472399. The next prime is 1264472501. The reversal of 1264472437 is 7342744621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1239462436 + 25010001 = 35206^2 + 5001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1264472437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1264472437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1264472137) 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, 632236218 + 632236219.

It is an arithmetic number, because the mean of its divisors is an integer number (632236219).

Almost surely, 2^1264472437 is an apocalyptic number.

It is an amenable number.

1264472437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264472437 is an equidigital number, since it uses as much as digits as its factorization.

1264472437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 40.

The square root of 1264472437 is about 35559.4212129500. The cubic root of 1264472437 is about 1081.3587257123.

The spelling of 1264472437 in words is "one billion, two hundred sixty-four million, four hundred seventy-two thousand, four hundred thirty-seven".