3735374581 has 2 divisors, whose sum is σ = 3735374582. Its totient is φ = 3735374580.

The previous prime is 3735374563. The next prime is 3735374717. The reversal of 3735374581 is 1854735373.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3732599025 + 2775556 = 61095^2 + 1666^2 .

It is an emirp because it is prime and its reverse (1854735373) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3735374581 - 2⁵ = 3735374549 is a prime.

It is a super-2 number, since 2×3735374581² = 27906046520761851122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3735374561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1867687290 + 1867687291.

It is an arithmetic number, because the mean of its divisors is an integer number (1867687291).

Almost surely, 2^3735374581 is an apocalyptic number.

It is an amenable number.

3735374581 is a deficient number, since it is larger than the sum of its proper divisors (1).

3735374581 is an equidigital number, since it uses as much as digits as its factorization.

3735374581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 46.

The square root of 3735374581 is about 61117.7108619097. The cubic root of 3735374581 is about 1551.5938625184.

The spelling of 3735374581 in words is "three billion, seven hundred thirty-five million, three hundred seventy-four thousand, five hundred eighty-one".