3500742385 has 16 divisors (see below), whose sum is σ = 4801997952. Its totient is φ = 2400019200.

The previous prime is 3500742353. The next prime is 3500742397. The reversal of 3500742385 is 5832470053.

It is not a de Polignac number, because 3500742385 - 2⁵ = 3500742353 is a prime.

It is a super-2 number, since 2×3500742385² = 24510394492270976450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279865 + ... + 292105.

It is an arithmetic number, because the mean of its divisors is an integer number (300124872).

Almost surely, 2^3500742385 is an apocalyptic number.

3500742385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3500742385 is a deficient number, since it is larger than the sum of its proper divisors (1301255567).

3500742385 is a wasteful number, since it uses less digits than its factorization.

3500742385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20424.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 3500742385 is about 59167.0717967350. The cubic root of 3500742385 is about 1518.4018268300.

The spelling of 3500742385 in words is "three billion, five hundred million, seven hundred forty-two thousand, three hundred eighty-five".