3735143946 has 12 divisors (see below), whose sum is σ = 8092811922. Its totient is φ = 1245047976.

The previous prime is 3735143941. The next prime is 3735143953. The reversal of 3735143946 is 6493415373.

It can be written as a sum of positive squares in only one way, i.e., 3649488921 + 85655025 = 60411^2 + 9255^2 .

It is a super-3 number, since 3×3735143946³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3735143941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103753981 + ... + 103754016.

Almost surely, 2^3735143946 is an apocalyptic number.

3735143946 is an abundant number, since it is smaller than the sum of its proper divisors (4357667976).

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

3735143946 is a wasteful number, since it uses less digits than its factorization.

3735143946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207508005 (or 207508002 counting only the distinct ones).

The product of its digits is 816480, while the sum is 45.

The square root of 3735143946 is about 61115.8240229157. The cubic root of 3735143946 is about 1551.5619282632.

The spelling of 3735143946 in words is "three billion, seven hundred thirty-five million, one hundred forty-three thousand, nine hundred forty-six".