44020141397 has 2 divisors, whose sum is σ = 44020141398. Its totient is φ = 44020141396.

The previous prime is 44020141357. The next prime is 44020141409. The reversal of 44020141397 is 79314102044.

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., 42242169841 + 1777971556 = 205529^2 + 42166^2 .

It is a cyclic number.

It is not a de Polignac number, because 44020141397 - 2¹⁴ = 44020125013 is a prime.

It is a super-3 number, since 3×44020141397³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44020141357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22010070698 + 22010070699.

It is an arithmetic number, because the mean of its divisors is an integer number (22010070699).

Almost surely, 2^44020141397 is an apocalyptic number.

It is an amenable number.

44020141397 is a deficient number, since it is larger than the sum of its proper divisors (1).

44020141397 is an equidigital number, since it uses as much as digits as its factorization.

44020141397 is an evil number, because the sum of its binary digits is even.

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

The spelling of 44020141397 in words is "forty-four billion, twenty million, one hundred forty-one thousand, three hundred ninety-seven".