44721046532909 has 2 divisors, whose sum is σ = 44721046532910. Its totient is φ = 44721046532908.

The previous prime is 44721046532863. The next prime is 44721046532917. The reversal of 44721046532909 is 90923564012744.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41606086277284 + 3114960255625 = 6450278^2 + 1764925^2 .

It is a cyclic number.

It is not a de Polignac number, because 44721046532909 - 2¹² = 44721046528813 is a prime.

It is a super-2 number, since 2×44721046532909² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44721046532209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22360523266454 + 22360523266455.

It is an arithmetic number, because the mean of its divisors is an integer number (22360523266455).

Almost surely, 2^{44721046532909} is an apocalyptic number.

It is an amenable number.

44721046532909 is a deficient number, since it is larger than the sum of its proper divisors (1).

44721046532909 is an equidigital number, since it uses as much as digits as its factorization.

44721046532909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 44721046532909 in words is "forty-four trillion, seven hundred twenty-one billion, forty-six million, five hundred thirty-two thousand, nine hundred nine".