3667649373 has 12 divisors (see below), whose sum is σ = 5316572508. Its totient is φ = 2436396480.

The previous prime is 3667649357. The next prime is 3667649431. The reversal of 3667649373 is 3739467663.

It can be written as a sum of positive squares in 2 ways, for example, as 1139872644 + 2527776729 = 33762^2 + 50277^2 .

It is not a de Polignac number, because 3667649373 - 2⁴ = 3667649357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3667649303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 722590 + ... + 727647.

It is an arithmetic number, because the mean of its divisors is an integer number (443047709).

Almost surely, 2^3667649373 is an apocalyptic number.

It is an amenable number.

3667649373 is a deficient number, since it is larger than the sum of its proper divisors (1648923135).

3667649373 is a wasteful number, since it uses less digits than its factorization.

3667649373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450524 (or 1450521 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 54.

The square root of 3667649373 is about 60561.1209688196. The cubic root of 3667649373 is about 1542.1594169189.

The spelling of 3667649373 in words is "three billion, six hundred sixty-seven million, six hundred forty-nine thousand, three hundred seventy-three".