44428508429 has 2 divisors, whose sum is σ = 44428508430. Its totient is φ = 44428508428.

The previous prime is 44428508387. The next prime is 44428508471. The reversal of 44428508429 is 92480582444.

It is a balanced prime because it is at equal distance from previous prime (44428508387) and next prime (44428508471).

It can be written as a sum of positive squares in only one way, i.e., 39284032804 + 5144475625 = 198202^2 + 71725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44428508429 is a prime.

It is a super-2 number, since 2×44428508429² (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 (44428508629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22214254214 + 22214254215.

It is an arithmetic number, because the mean of its divisors is an integer number (22214254215).

Almost surely, 2^44428508429 is an apocalyptic number.

It is an amenable number.

44428508429 is a deficient number, since it is larger than the sum of its proper divisors (1).

44428508429 is an equidigital number, since it uses as much as digits as its factorization.

44428508429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2949120, while the sum is 50.

The spelling of 44428508429 in words is "forty-four billion, four hundred twenty-eight million, five hundred eight thousand, four hundred twenty-nine".