44136433661 has 2 divisors, whose sum is σ = 44136433662. Its totient is φ = 44136433660.

The previous prime is 44136433633. The next prime is 44136433687. The reversal of 44136433661 is 16633463144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35275976761 + 8860456900 = 187819^2 + 94130^2 .

It is a cyclic number.

It is not a de Polignac number, because 44136433661 - 2¹⁴ = 44136417277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44136463661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22068216830 + 22068216831.

It is an arithmetic number, because the mean of its divisors is an integer number (22068216831).

Almost surely, 2^44136433661 is an apocalyptic number.

It is an amenable number.

44136433661 is a deficient number, since it is larger than the sum of its proper divisors (1).

44136433661 is an equidigital number, since it uses as much as digits as its factorization.

44136433661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 41.

The spelling of 44136433661 in words is "forty-four billion, one hundred thirty-six million, four hundred thirty-three thousand, six hundred sixty-one".