1457752069 has 2 divisors, whose sum is σ = 1457752070. Its totient is φ = 1457752068.

The previous prime is 1457752033. The next prime is 1457752097. The reversal of 1457752069 is 9602577541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1409101444 + 48650625 = 37538^2 + 6975^2 .

It is a cyclic number.

It is not a de Polignac number, because 1457752069 - 2²⁷ = 1323534341 is a prime.

It is a super-2 number, since 2×1457752069² = 4250082189347561522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1457752469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728876034 + 728876035.

It is an arithmetic number, because the mean of its divisors is an integer number (728876035).

Almost surely, 2^1457752069 is an apocalyptic number.

It is an amenable number.

1457752069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457752069 is an equidigital number, since it uses as much as digits as its factorization.

1457752069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 529200, while the sum is 46.

The square root of 1457752069 is about 38180.5194962038. The cubic root of 1457752069 is about 1133.8646668820.

The spelling of 1457752069 in words is "one billion, four hundred fifty-seven million, seven hundred fifty-two thousand, sixty-nine".