3770440397 has 2 divisors, whose sum is σ = 3770440398. Its totient is φ = 3770440396.

The previous prime is 3770440363. The next prime is 3770440447. The reversal of 3770440397 is 7930440773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1905409801 + 1865030596 = 43651^2 + 43186^2 .

It is a cyclic number.

It is not a de Polignac number, because 3770440397 - 2¹⁸ = 3770178253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3770440097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1885220198 + 1885220199.

It is an arithmetic number, because the mean of its divisors is an integer number (1885220199).

Almost surely, 2^3770440397 is an apocalyptic number.

It is an amenable number.

3770440397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3770440397 is an equidigital number, since it uses as much as digits as its factorization.

3770440397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 444528, while the sum is 44.

The square root of 3770440397 is about 61403.9119030701. The cubic root of 3770440397 is about 1556.4339425660.

The spelling of 3770440397 in words is "three billion, seven hundred seventy million, four hundred forty thousand, three hundred ninety-seven".