1509427373 has 2 divisors, whose sum is σ = 1509427374. Its totient is φ = 1509427372.

The previous prime is 1509427363. The next prime is 1509427391. The reversal of 1509427373 is 3737249051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 885776644 + 623650729 = 29762^2 + 24973^2 .

It is a cyclic number.

It is not a de Polignac number, because 1509427373 - 2²⁰ = 1508378797 is a prime.

It is a super-2 number, since 2×1509427373² = 4556741988723362258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1509427373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1509427303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 754713686 + 754713687.

It is an arithmetic number, because the mean of its divisors is an integer number (754713687).

Almost surely, 2^1509427373 is an apocalyptic number.

It is an amenable number.

1509427373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1509427373 is an equidigital number, since it uses as much as digits as its factorization.

1509427373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 1509427373 is about 38851.3496934148. The cubic root of 1509427373 is about 1147.1073800099.

The spelling of 1509427373 in words is "one billion, five hundred nine million, four hundred twenty-seven thousand, three hundred seventy-three".