3754657385 has 8 divisors (see below), whose sum is σ = 4510403016. Its totient is φ = 3000516480.

The previous prime is 3754657381. The next prime is 3754657409. The reversal of 3754657385 is 5837564573.

It can be written as a sum of positive squares in 4 ways, for example, as 147573904 + 3607083481 = 12148^2 + 60059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3754657385 - 2² = 3754657381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3754657381) 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 in 7 ways as a sum of consecutive naturals, for example, 396026 + ... + 405395.

It is an arithmetic number, because the mean of its divisors is an integer number (563800377).

Almost surely, 2^3754657385 is an apocalyptic number.

It is an amenable number.

3754657385 is a deficient number, since it is larger than the sum of its proper divisors (755745631).

3754657385 is an equidigital number, since it uses as much as digits as its factorization.

3754657385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802363.

The product of its digits is 10584000, while the sum is 53.

The square root of 3754657385 is about 61275.2591589787. The cubic root of 3754657385 is about 1554.2591681374.

The spelling of 3754657385 in words is "three billion, seven hundred fifty-four million, six hundred fifty-seven thousand, three hundred eighty-five".