3815449851541 has 2 divisors, whose sum is σ = 3815449851542. Its totient is φ = 3815449851540.

The previous prime is 3815449851529. The next prime is 3815449851553. The reversal of 3815449851541 is 1451589445183.

3815449851541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (3815449851529) and next prime (3815449851553).

It can be written as a sum of positive squares in only one way, i.e., 3597660562500 + 217789289041 = 1896750^2 + 466679^2 .

It is a cyclic number.

It is not a de Polignac number, because 3815449851541 - 2¹⁷ = 3815449720469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3815449851341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1907724925770 + 1907724925771.

It is an arithmetic number, because the mean of its divisors is an integer number (1907724925771).

Almost surely, 2^{3815449851541} is an apocalyptic number.

It is an amenable number.

3815449851541 is a deficient number, since it is larger than the sum of its proper divisors (1).

3815449851541 is an equidigital number, since it uses as much as digits as its factorization.

3815449851541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824000, while the sum is 58.

The spelling of 3815449851541 in words is "three trillion, eight hundred fifteen billion, four hundred forty-nine million, eight hundred fifty-one thousand, five hundred forty-one".