3731946645 has 32 divisors (see below), whose sum is σ = 6826457088. Its totient is φ = 1705451328.

The previous prime is 3731946629. The next prime is 3731946653. The reversal of 3731946645 is 5466491373.

It is not a de Polignac number, because 3731946645 - 2⁴ = 3731946629 is a prime.

It is a super-2 number, since 2×3731946645² = 27854851522253512050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3731946594 and 3731946603.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 520072 + ... + 527198.

It is an arithmetic number, because the mean of its divisors is an integer number (213326784).

Almost surely, 2^3731946645 is an apocalyptic number.

3731946645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3731946645 is a deficient number, since it is larger than the sum of its proper divisors (3094510443).

3731946645 is a wasteful number, since it uses less digits than its factorization.

3731946645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12129.

The product of its digits is 1632960, while the sum is 48.

The square root of 3731946645 is about 61089.6607045742. The cubic root of 3731946645 is about 1551.1190870820.

The spelling of 3731946645 in words is "three billion, seven hundred thirty-one million, nine hundred forty-six thousand, six hundred forty-five".