44148462661 has 2 divisors, whose sum is σ = 44148462662. Its totient is φ = 44148462660.

The previous prime is 44148462601. The next prime is 44148462679. The reversal of 44148462661 is 16626484144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38855900161 + 5292562500 = 197119^2 + 72750^2 .

It is a cyclic number.

It is not a de Polignac number, because 44148462661 - 2¹¹ = 44148460613 is a prime.

It is a super-2 number, since 2×44148462661² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44148462601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22074231330 + 22074231331.

It is an arithmetic number, because the mean of its divisors is an integer number (22074231331).

Almost surely, 2^44148462661 is an apocalyptic number.

It is an amenable number.

44148462661 is a deficient number, since it is larger than the sum of its proper divisors (1).

44148462661 is an equidigital number, since it uses as much as digits as its factorization.

44148462661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 884736, while the sum is 46.

The spelling of 44148462661 in words is "forty-four billion, one hundred forty-eight million, four hundred sixty-two thousand, six hundred sixty-one".