44509697 has 2 divisors, whose sum is σ = 44509698. Its totient is φ = 44509696.

The previous prime is 44509691. The next prime is 44509741. The reversal of 44509697 is 79690544.

It is an a-pointer prime, because the next prime (44509741) can be obtained adding 44509697 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22316176 + 22193521 = 4724^2 + 4711^2 .

It is a cyclic number.

It is not a de Polignac number, because 44509697 - 2⁴ = 44509681 is a prime.

It is a super-2 number, since 2×44509697² = 3962226254063618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44509691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22254848 + 22254849.

It is an arithmetic number, because the mean of its divisors is an integer number (22254849).

Almost surely, 2^44509697 is an apocalyptic number.

It is an amenable number.

44509697 is a deficient number, since it is larger than the sum of its proper divisors (1).

44509697 is an equidigital number, since it uses as much as digits as its factorization.

44509697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 44509697 is about 6671.5588133509. The cubic root of 44509697 is about 354.3927912604.

The spelling of 44509697 in words is "forty-four million, five hundred nine thousand, six hundred ninety-seven".