44001423197 has 2 divisors, whose sum is σ = 44001423198. Its totient is φ = 44001423196.

The previous prime is 44001423097. The next prime is 44001423209. The reversal of 44001423197 is 79132410044.

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., 35094027556 + 8907395641 = 187334^2 + 94379^2 .

It is a cyclic number.

It is not a de Polignac number, because 44001423197 - 2¹² = 44001419101 is a prime.

It is a super-2 number, since 2×44001423197² (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 (44001423097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22000711598 + 22000711599.

It is an arithmetic number, because the mean of its divisors is an integer number (22000711599).

Almost surely, 2^44001423197 is an apocalyptic number.

It is an amenable number.

44001423197 is a deficient number, since it is larger than the sum of its proper divisors (1).

44001423197 is an equidigital number, since it uses as much as digits as its factorization.

44001423197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 44001423197 in words is "forty-four billion, one million, four hundred twenty-three thousand, one hundred ninety-seven".