44464155146447 has 2 divisors, whose sum is σ = 44464155146448. Its totient is φ = 44464155146446.

The previous prime is 44464155146429. The next prime is 44464155146473. The reversal of 44464155146447 is 74464155146444.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44464155146447 is a prime.

It is a super-2 number, since 2×44464155146447² (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 (44464155046447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22232077573223 + 22232077573224.

It is an arithmetic number, because the mean of its divisors is an integer number (22232077573224).

Almost surely, 2^{44464155146447} is an apocalyptic number.

44464155146447 is a deficient number, since it is larger than the sum of its proper divisors (1).

44464155146447 is an equidigital number, since it uses as much as digits as its factorization.

44464155146447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103219200, while the sum is 59.

The spelling of 44464155146447 in words is "forty-four trillion, four hundred sixty-four billion, one hundred fifty-five million, one hundred forty-six thousand, four hundred forty-seven".