4445001377 has 4 divisors (see below), whose sum is σ = 4445134980. Its totient is φ = 4444867776.

The previous prime is 4445001331. The next prime is 4445001389. The reversal of 4445001377 is 7731005444.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 570063376 + 3874938001 = 23876^2 + 62249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4445001377 is a prime.

It is a super-2 number, since 2×4445001377² = 39516074483063792258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4445007377) 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, 27149 + ... + 98117.

It is an arithmetic number, because the mean of its divisors is an integer number (1111283745).

Almost surely, 2^4445001377 is an apocalyptic number.

It is an amenable number.

4445001377 is a deficient number, since it is larger than the sum of its proper divisors (133603).

4445001377 is an equidigital number, since it uses as much as digits as its factorization.

4445001377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133602.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 4445001377 is about 66670.8435299869. The cubic root of 4445001377 is about 1644.2100557083.

The spelling of 4445001377 in words is "four billion, four hundred forty-five million, one thousand, three hundred seventy-seven".