3670004750921 has 4 divisors (see below), whose sum is σ = 3685232986644. Its totient is φ = 3654776515200.

The previous prime is 3670004750917. The next prime is 3670004750963. The reversal of 3670004750921 is 1290574000763.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1816564840000 + 1853439910921 = 1347800^2 + 1361411^2 .

It is a cyclic number.

It is not a de Polignac number, because 3670004750921 - 2² = 3670004750917 is a prime.

It is a super-2 number, since 2×3670004750921² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3670004750021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7614117500 + ... + 7614117981.

It is an arithmetic number, because the mean of its divisors is an integer number (921308246661).

Almost surely, 2^{3670004750921} is an apocalyptic number.

It is an amenable number.

3670004750921 is a deficient number, since it is larger than the sum of its proper divisors (15228235723).

3670004750921 is a wasteful number, since it uses less digits than its factorization.

3670004750921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15228235722.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 3670004750921 in words is "three trillion, six hundred seventy billion, four million, seven hundred fifty thousand, nine hundred twenty-one".