3818497690 has 32 divisors (see below), whose sum is σ = 8046791424. Its totient is φ = 1277266560.

The previous prime is 3818497667. The next prime is 3818497733. The reversal of 3818497690 is 967948183.

It is a super-2 number, since 2×3818497690² = 29161849217070672200, which contains 22 as substring.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 662374 + ... + 668113.

It is an arithmetic number, because the mean of its divisors is an integer number (251462232).

Almost surely, 2^3818497690 is an apocalyptic number.

3818497690 is an abundant number, since it is smaller than the sum of its proper divisors (4228293734).

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

3818497690 is a wasteful number, since it uses less digits than its factorization.

3818497690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330542.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 3818497690 is about 61793.9939638150. The cubic root of 3818497690 is about 1563.0187123889.

The spelling of 3818497690 in words is "three billion, eight hundred eighteen million, four hundred ninety-seven thousand, six hundred ninety".