45019679 has 2 divisors, whose sum is σ = 45019680. Its totient is φ = 45019678.

The previous prime is 45019673. The next prime is 45019691. The reversal of 45019679 is 97691054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45019679 - 2⁸ = 45019423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45019673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22509839 + 22509840.

It is an arithmetic number, because the mean of its divisors is an integer number (22509840).

Almost surely, 2^45019679 is an apocalyptic number.

45019679 is a deficient number, since it is larger than the sum of its proper divisors (1).

45019679 is an equidigital number, since it uses as much as digits as its factorization.

45019679 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 45019679 is about 6709.6705582316. The cubic root of 45019679 is about 355.7411718582.

The spelling of 45019679 in words is "forty-five million, nineteen thousand, six hundred seventy-nine".