3043689074921 has 4 divisors (see below), whose sum is σ = 3320388081744. Its totient is φ = 2766990068100.

The previous prime is 3043689074887. The next prime is 3043689074953. The reversal of 3043689074921 is 1294709863403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3043689074921 - 2¹⁰ = 3043689073897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3043689074521) 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, 138349503395 + ... + 138349503416.

It is an arithmetic number, because the mean of its divisors is an integer number (830097020436).

Almost surely, 2^{3043689074921} is an apocalyptic number.

It is an amenable number.

3043689074921 is a deficient number, since it is larger than the sum of its proper divisors (276699006823).

3043689074921 is a wasteful number, since it uses less digits than its factorization.

3043689074921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276699006822.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 3043689074921 in words is "three trillion, forty-three billion, six hundred eighty-nine million, seventy-four thousand, nine hundred twenty-one".