945372919 has 2 divisors, whose sum is σ = 945372920. Its totient is φ = 945372918.

The previous prime is 945372877. The next prime is 945372929. The reversal of 945372919 is 919273549.

It is a strong prime.

It is an emirp because it is prime and its reverse (919273549) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 945372919 - 2¹³ = 945364727 is a prime.

It is a super-2 number, since 2×945372919² = 1787459911957161122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (945372929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472686459 + 472686460.

It is an arithmetic number, because the mean of its divisors is an integer number (472686460).

Almost surely, 2^945372919 is an apocalyptic number.

945372919 is a deficient number, since it is larger than the sum of its proper divisors (1).

945372919 is an equidigital number, since it uses as much as digits as its factorization.

945372919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 49.

The square root of 945372919 is about 30746.9172275856. The cubic root of 945372919 is about 981.4489599722.

The spelling of 945372919 in words is "nine hundred forty-five million, three hundred seventy-two thousand, nine hundred nineteen".