4061919745 has 16 divisors (see below), whose sum is σ = 5251094352. Its totient is φ = 2998517760.

The previous prime is 4061919709. The next prime is 4061919773. The reversal of 4061919745 is 5479191604.

4061919745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 36144144 + 4025775601 = 6012^2 + 63449^2 .

It is not a de Polignac number, because 4061919745 - 2²³ = 4053531137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4061919695 and 4061919704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209169 + ... + 227761.

It is an arithmetic number, because the mean of its divisors is an integer number (328193397).

Almost surely, 2^4061919745 is an apocalyptic number.

It is an amenable number.

4061919745 is a deficient number, since it is larger than the sum of its proper divisors (1189174607).

4061919745 is a wasteful number, since it uses less digits than its factorization.

4061919745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21972.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 4061919745 is about 63733.1918626394. The cubic root of 4061919745 is about 1595.5501022766.

The spelling of 4061919745 in words is "four billion, sixty-one million, nine hundred nineteen thousand, seven hundred forty-five".