4405881749 has 4 divisors (see below), whose sum is σ = 4437578880. Its totient is φ = 4374184620.

The previous prime is 4405881731. The next prime is 4405881761. The reversal of 4405881749 is 9471885044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4405881749 - 2²⁸ = 4137446293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4405881697 and 4405881706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405881719) 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, 15848357 + ... + 15848634.

It is an arithmetic number, because the mean of its divisors is an integer number (1109394720).

Almost surely, 2^4405881749 is an apocalyptic number.

It is an amenable number.

4405881749 is a deficient number, since it is larger than the sum of its proper divisors (31697131).

4405881749 is a wasteful number, since it uses less digits than its factorization.

4405881749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31697130.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 4405881749 is about 66376.8163517956. The cubic root of 4405881749 is about 1639.3723739823.

The spelling of 4405881749 in words is "four billion, four hundred five million, eight hundred eighty-one thousand, seven hundred forty-nine".