3745854581377 has 2 divisors, whose sum is σ = 3745854581378. Its totient is φ = 3745854581376.

The previous prime is 3745854581369. The next prime is 3745854581453. The reversal of 3745854581377 is 7731854585473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2862021446001 + 883833135376 = 1691751^2 + 940124^2 .

It is an emirp because it is prime and its reverse (7731854585473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3745854581377 - 2³ = 3745854581369 is a prime.

It is a super-2 number, since 2×3745854581377² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3745854501377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1872927290688 + 1872927290689.

It is an arithmetic number, because the mean of its divisors is an integer number (1872927290689).

Almost surely, 2^{3745854581377} is an apocalyptic number.

It is an amenable number.

3745854581377 is a deficient number, since it is larger than the sum of its proper divisors (1).

3745854581377 is an equidigital number, since it uses as much as digits as its factorization.

3745854581377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136000, while the sum is 67.

The spelling of 3745854581377 in words is "three trillion, seven hundred forty-five billion, eight hundred fifty-four million, five hundred eighty-one thousand, three hundred seventy-seven".