45679019 has 2 divisors, whose sum is σ = 45679020. Its totient is φ = 45679018.

The previous prime is 45678977. The next prime is 45679033. The reversal of 45679019 is 91097654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45679019 - 2¹⁶ = 45613483 is a prime.

It is a super-2 number, since 2×45679019² = 4173145553604722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45679069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22839509 + 22839510.

It is an arithmetic number, because the mean of its divisors is an integer number (22839510).

Almost surely, 2^45679019 is an apocalyptic number.

45679019 is a deficient number, since it is larger than the sum of its proper divisors (1).

45679019 is an equidigital number, since it uses as much as digits as its factorization.

45679019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 45679019 is about 6758.6255259483. The cubic root of 45679019 is about 357.4694423488.

The spelling of 45679019 in words is "forty-five million, six hundred seventy-nine thousand, nineteen".