3776413945 has 8 divisors (see below), whose sum is σ = 4543348680. Its totient is φ = 3013363200.

The previous prime is 3776413933. The next prime is 3776413957. The reversal of 3776413945 is 5493146773.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3776413933) and next prime (3776413957).

It can be written as a sum of positive squares in 4 ways, for example, as 107931321 + 3668482624 = 10389^2 + 60568^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3776413945 - 2²⁵ = 3742859513 is a prime.

It is a super-2 number, since 2×3776413945² = 28522604567980926050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968856 + ... + 972745.

It is an arithmetic number, because the mean of its divisors is an integer number (567918585).

Almost surely, 2^3776413945 is an apocalyptic number.

It is an amenable number.

3776413945 is a deficient number, since it is larger than the sum of its proper divisors (766934735).

3776413945 is a wasteful number, since it uses less digits than its factorization.

3776413945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941995.

The product of its digits is 1905120, while the sum is 49.

The square root of 3776413945 is about 61452.5340811915. The cubic root of 3776413945 is about 1557.2554670385.

The spelling of 3776413945 in words is "three billion, seven hundred seventy-six million, four hundred thirteen thousand, nine hundred forty-five".