3748440961 has 4 divisors (see below), whose sum is σ = 3828195072. Its totient is φ = 3668686852.

The previous prime is 3748440947. The next prime is 3748440979. The reversal of 3748440961 is 1690448473.

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 cyclic number.

It is not a de Polignac number, because 3748440961 - 2⁷ = 3748440833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3748440931) 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, 39876985 + ... + 39877078.

It is an arithmetic number, because the mean of its divisors is an integer number (957048768).

Almost surely, 2^3748440961 is an apocalyptic number.

It is an amenable number.

3748440961 is a deficient number, since it is larger than the sum of its proper divisors (79754111).

3748440961 is an equidigital number, since it uses as much as digits as its factorization.

3748440961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79754110.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 3748440961 is about 61224.5127461215. The cubic root of 3748440961 is about 1553.4009210595.

The spelling of 3748440961 in words is "three billion, seven hundred forty-eight million, four hundred forty thousand, nine hundred sixty-one".