1450043813 has 2 divisors, whose sum is σ = 1450043814. Its totient is φ = 1450043812.

The previous prime is 1450043797. The next prime is 1450043827. The reversal of 1450043813 is 3183400541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1330644484 + 119399329 = 36478^2 + 10927^2 .

It is a cyclic number.

It is not a de Polignac number, because 1450043813 - 2⁴ = 1450043797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1450043213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725021906 + 725021907.

It is an arithmetic number, because the mean of its divisors is an integer number (725021907).

Almost surely, 2^1450043813 is an apocalyptic number.

It is an amenable number.

1450043813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1450043813 is an equidigital number, since it uses as much as digits as its factorization.

1450043813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1450043813 is about 38079.4408178482. The cubic root of 1450043813 is about 1131.8625958013.

The spelling of 1450043813 in words is "one billion, four hundred fifty million, forty-three thousand, eight hundred thirteen".