1452736993 has 2 divisors, whose sum is σ = 1452736994. Its totient is φ = 1452736992.

The previous prime is 1452736949. The next prime is 1452737003. The reversal of 1452736993 is 3996372541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 953080384 + 499656609 = 30872^2 + 22353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1452736993 is a prime.

It is a super-2 number, since 2×1452736993² = 4220889541661364098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1452736913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726368496 + 726368497.

It is an arithmetic number, because the mean of its divisors is an integer number (726368497).

Almost surely, 2^1452736993 is an apocalyptic number.

It is an amenable number.

1452736993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452736993 is an equidigital number, since it uses as much as digits as its factorization.

1452736993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 49.

The square root of 1452736993 is about 38114.7870648650. The cubic root of 1452736993 is about 1132.5629020967.

The spelling of 1452736993 in words is "one billion, four hundred fifty-two million, seven hundred thirty-six thousand, nine hundred ninety-three".