44473969961 has 2 divisors, whose sum is σ = 44473969962. Its totient is φ = 44473969960.

The previous prime is 44473969949. The next prime is 44473969963. The reversal of 44473969961 is 16996937444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43204116736 + 1269853225 = 207856^2 + 35635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44473969961 is a prime.

Together with 44473969963, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 44473969894 and 44473969903.

It is not a weakly prime, because it can be changed into another prime (44473969963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22236984980 + 22236984981.

It is an arithmetic number, because the mean of its divisors is an integer number (22236984981).

Almost surely, 2^44473969961 is an apocalyptic number.

It is an amenable number.

44473969961 is a deficient number, since it is larger than the sum of its proper divisors (1).

44473969961 is an equidigital number, since it uses as much as digits as its factorization.

44473969961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35271936, while the sum is 62.

The spelling of 44473969961 in words is "forty-four billion, four hundred seventy-three million, nine hundred sixty-nine thousand, nine hundred sixty-one".