1974328541 has 4 divisors (see below), whose sum is σ = 2090465532. Its totient is φ = 1858191552.

The previous prime is 1974328519. The next prime is 1974328549. The reversal of 1974328541 is 1458234791.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 709103641 + 1265224900 = 26629^2 + 35570^2 .

It is a cyclic number.

It is not a de Polignac number, because 1974328541 - 2¹⁰ = 1974327517 is a prime.

It is a super-3 number, since 3×1974328541³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1974328492 and 1974328501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974328549) 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, 58068470 + ... + 58068503.

It is an arithmetic number, because the mean of its divisors is an integer number (522616383).

Almost surely, 2^1974328541 is an apocalyptic number.

It is an amenable number.

1974328541 is a deficient number, since it is larger than the sum of its proper divisors (116136991).

1974328541 is a wasteful number, since it uses less digits than its factorization.

1974328541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116136990.

The product of its digits is 241920, while the sum is 44.

The square root of 1974328541 is about 44433.4169404065. The cubic root of 1974328541 is about 1254.5071510189.

It can be divided in two parts, 19743 and 28541, that added together give a palindrome (48284).

The spelling of 1974328541 in words is "one billion, nine hundred seventy-four million, three hundred twenty-eight thousand, five hundred forty-one".