3045457347421 has 2 divisors, whose sum is σ = 3045457347422. Its totient is φ = 3045457347420.

The previous prime is 3045457347337. The next prime is 3045457347461. The reversal of 3045457347421 is 1247437545403.

3045457347421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2364690440025 + 680766907396 = 1537755^2 + 825086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3045457347421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3045457347461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1522728673710 + 1522728673711.

It is an arithmetic number, because the mean of its divisors is an integer number (1522728673711).

Almost surely, 2^{3045457347421} is an apocalyptic number.

It is an amenable number.

3045457347421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3045457347421 is an equidigital number, since it uses as much as digits as its factorization.

3045457347421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5644800, while the sum is 49.

The spelling of 3045457347421 in words is "three trillion, forty-five billion, four hundred fifty-seven million, three hundred forty-seven thousand, four hundred twenty-one".