44892029381 has 4 divisors (see below), whose sum is σ = 44937979212. Its totient is φ = 44846079552.

The previous prime is 44892029341. The next prime is 44892029383. The reversal of 44892029381 is 18392029844.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44003452900 + 888576481 = 209770^2 + 29809^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44892029381 is a prime.

It is a super-2 number, since 2×44892029381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44892029383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22973450 + ... + 22975403.

It is an arithmetic number, because the mean of its divisors is an integer number (11234494803).

Almost surely, 2^44892029381 is an apocalyptic number.

It is an amenable number.

44892029381 is a deficient number, since it is larger than the sum of its proper divisors (45949831).

44892029381 is an equidigital number, since it uses as much as digits as its factorization.

44892029381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45949830.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 44892029381 in words is "forty-four billion, eight hundred ninety-two million, twenty-nine thousand, three hundred eighty-one".