3028737421 has 2 divisors, whose sum is σ = 3028737422. Its totient is φ = 3028737420.

The previous prime is 3028737401. The next prime is 3028737431. The reversal of 3028737421 is 1247378203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2982361321 + 46376100 = 54611^2 + 6810^2 .

It is a cyclic number.

It is not a de Polignac number, because 3028737421 - 2²⁵ = 2995182989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3028737401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1514368710 + 1514368711.

It is an arithmetic number, because the mean of its divisors is an integer number (1514368711).

Almost surely, 2^3028737421 is an apocalyptic number.

It is an amenable number.

3028737421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3028737421 is an equidigital number, since it uses as much as digits as its factorization.

3028737421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 3028737421 is about 55033.9660664212. The cubic root of 3028737421 is about 1446.8401138838.

The spelling of 3028737421 in words is "three billion, twenty-eight million, seven hundred thirty-seven thousand, four hundred twenty-one".