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1450486909 is a prime number
BaseRepresentation
bin101011001110100…
…1010110001111101
310202002100100222101
41112131022301331
510432311040114
6355532545101
750641635544
oct12635126175
93662310871
101450486909
11684842313
12345922191
131a16776a1
14da8d515b
1587518d74
hex5674ac7d

1450486909 has 2 divisors, whose sum is σ = 1450486910. Its totient is φ = 1450486908.

The previous prime is 1450486907. The next prime is 1450486951. The reversal of 1450486909 is 9096840541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 891022500 + 559464409 = 29850^2 + 23653^2 .

It is an emirp because it is prime and its reverse (9096840541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1450486909 - 21 = 1450486907 is a prime.

Together with 1450486907, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1450486907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725243454 + 725243455.

It is an arithmetic number, because the mean of its divisors is an integer number (725243455).

Almost surely, 21450486909 is an apocalyptic number.

It is an amenable number.

1450486909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1450486909 is an equidigital number, since it uses as much as digits as its factorization.

1450486909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 1450486909 is about 38085.2584210742. The cubic root of 1450486909 is about 1131.9778734016.

The spelling of 1450486909 in words is "one billion, four hundred fifty million, four hundred eighty-six thousand, nine hundred nine".