3500381000 has 32 divisors (see below), whose sum is σ = 8190893880. Its totient is φ = 1400152000.

The previous prime is 3500380973. The next prime is 3500381023. The reversal of 3500381000 is 1830053.

It can be written as a sum of positive squares in 4 ways, for example, as 2261763364 + 1238617636 = 47558^2 + 35194^2 .

It is a super-2 number, since 2×3500381000² = 24505334290322000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1749191 + ... + 1751190.

Almost surely, 2^3500381000 is an apocalyptic number.

It is an amenable number.

3500381000 is an abundant number, since it is smaller than the sum of its proper divisors (4690512880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3500381000 is a wasteful number, since it uses less digits than its factorization.

3500381000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500402 (or 3500388 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3500381000 is about 59164.0177810804. The cubic root of 3500381000 is about 1518.3495763388.

The spelling of 3500381000 in words is "three billion, five hundred million, three hundred eighty-one thousand".