3775438461 has 4 divisors (see below), whose sum is σ = 5033917952. Its totient is φ = 2516958972.

The previous prime is 3775438451. The next prime is 3775438531. The reversal of 3775438461 is 1648345773.

3775438461 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 de Polignac number, because none of the positive numbers 2^k-3775438461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3775438461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3775438451) 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, 629239741 + ... + 629239746.

It is an arithmetic number, because the mean of its divisors is an integer number (1258479488).

Almost surely, 2^3775438461 is an apocalyptic number.

It is an amenable number.

3775438461 is a deficient number, since it is larger than the sum of its proper divisors (1258479491).

3775438461 is a wasteful number, since it uses less digits than its factorization.

3775438461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258479490.

The product of its digits is 1693440, while the sum is 48.

The square root of 3775438461 is about 61444.5966786340. The cubic root of 3775438461 is about 1557.1213708094.

The spelling of 3775438461 in words is "three billion, seven hundred seventy-five million, four hundred thirty-eight thousand, four hundred sixty-one".