4125776405 has 16 divisors (see below), whose sum is σ = 5022366384. Its totient is φ = 3253063680.

The previous prime is 4125776399. The next prime is 4125776429. The reversal of 4125776405 is 5046775214.

It can be written as a sum of positive squares in 8 ways, for example, as 113060689 + 4012715716 = 10633^2 + 63346^2 .

It is not a de Polignac number, because 4125776405 - 2²⁴ = 4108999189 is a prime.

It is a super-3 number, since 3×4125776405³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

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, 645425 + ... + 651785.

It is an arithmetic number, because the mean of its divisors is an integer number (313897899).

Almost surely, 2^4125776405 is an apocalyptic number.

It is an amenable number.

4125776405 is a deficient number, since it is larger than the sum of its proper divisors (896589979).

4125776405 is a wasteful number, since it uses less digits than its factorization.

4125776405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8216.

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 4125776405 is about 64232.2069136660. The cubic root of 4125776405 is about 1603.8677787136.

The spelling of 4125776405 in words is "four billion, one hundred twenty-five million, seven hundred seventy-six thousand, four hundred five".