3974757541 has 4 divisors (see below), whose sum is σ = 3975304300. Its totient is φ = 3974210784.

The previous prime is 3974757491. The next prime is 3974757547. The reversal of 3974757541 is 1457574793.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1457574793 = 193 ⋅7552201.

It can be written as a sum of positive squares in 2 ways, for example, as 3004684225 + 970073316 = 54815^2 + 31146^2 .

It is a cyclic number.

It is not a de Polignac number, because 3974757541 - 2¹¹ = 3974755493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974757547) 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, 262326 + ... + 277063.

It is an arithmetic number, because the mean of its divisors is an integer number (993826075).

Almost surely, 2^3974757541 is an apocalyptic number.

It is an amenable number.

3974757541 is a deficient number, since it is larger than the sum of its proper divisors (546759).

3974757541 is an equidigital number, since it uses as much as digits as its factorization.

3974757541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546758.

The product of its digits is 3704400, while the sum is 52.

The square root of 3974757541 is about 63045.6782103262. The cubic root of 3974757541 is about 1584.0548443593.

The spelling of 3974757541 in words is "three billion, nine hundred seventy-four million, seven hundred fifty-seven thousand, five hundred forty-one".