3747961652 has 18 divisors (see below), whose sum is σ = 6575778342. Its totient is φ = 1869174144.

The previous prime is 3747961639. The next prime is 3747961733. The reversal of 3747961652 is 2561697473.

It can be written as a sum of positive squares in 3 ways, for example, as 2227273636 + 1520688016 = 47194^2 + 38996^2 .

It is a super-4 number, since 4×3747961652⁴ (a number of 39 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3747961652.

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 5 ways as a sum of consecutive naturals, for example, 2889068 + ... + 2890364.

It is an arithmetic number, because the mean of its divisors is an integer number (365321019).

Almost surely, 2^3747961652 is an apocalyptic number.

It is an amenable number.

3747961652 is a deficient number, since it is larger than the sum of its proper divisors (2827816690).

3747961652 is an equidigital number, since it uses as much as digits as its factorization.

3747961652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155 (or 1856 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 50.

The square root of 3747961652 is about 61220.5982656165. The cubic root of 3747961652 is about 1553.3347076846.

The spelling of 3747961652 in words is "three billion, seven hundred forty-seven million, nine hundred sixty-one thousand, six hundred fifty-two".