3190239421 has 2 divisors, whose sum is σ = 3190239422. Its totient is φ = 3190239420.

The previous prime is 3190239341. The next prime is 3190239433. The reversal of 3190239421 is 1249320913.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2744607321 + 445632100 = 52389^2 + 21110^2 .

It is an emirp because it is prime and its reverse (1249320913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3190239421 - 2⁷ = 3190239293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3190239461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1595119710 + 1595119711.

It is an arithmetic number, because the mean of its divisors is an integer number (1595119711).

Almost surely, 2^3190239421 is an apocalyptic number.

It is an amenable number.

3190239421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3190239421 is an equidigital number, since it uses as much as digits as its factorization.

3190239421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 3190239421 is about 56482.2044629988. The cubic root of 3190239421 is about 1472.1128118598.

The spelling of 3190239421 in words is "three billion, one hundred ninety million, two hundred thirty-nine thousand, four hundred twenty-one".