3634488873 has 20 divisors (see below), whose sum is σ = 5576040580. Its totient is φ = 2357504352.

The previous prime is 3634488863. The next prime is 3634488881. The reversal of 3634488873 is 3788844363.

It can be written as a sum of positive squares in 2 ways, for example, as 3156978969 + 477509904 = 56187^2 + 21852^2 .

It is not a de Polignac number, because 3634488873 - 2⁴ = 3634488857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3634488863) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 603358 + ... + 609351.

It is an arithmetic number, because the mean of its divisors is an integer number (278802029).

Almost surely, 2^3634488873 is an apocalyptic number.

It is an amenable number.

3634488873 is a deficient number, since it is larger than the sum of its proper divisors (1941551707).

3634488873 is a wasteful number, since it uses less digits than its factorization.

3634488873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212758 (or 1212749 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 54.

The square root of 3634488873 is about 60286.7221948581. The cubic root of 3634488873 is about 1537.4976047553.

The spelling of 3634488873 in words is "three billion, six hundred thirty-four million, four hundred eighty-eight thousand, eight hundred seventy-three".