1932453421 has 2 divisors, whose sum is σ = 1932453422. Its totient is φ = 1932453420.

The previous prime is 1932453409. The next prime is 1932453449. The reversal of 1932453421 is 1243542391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1917476521 + 14976900 = 43789^2 + 3870^2 .

It is a cyclic number.

It is not a de Polignac number, because 1932453421 - 2¹⁹ = 1931929133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1932423421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 966226710 + 966226711.

It is an arithmetic number, because the mean of its divisors is an integer number (966226711).

Almost surely, 2^1932453421 is an apocalyptic number.

It is an amenable number.

1932453421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1932453421 is an equidigital number, since it uses as much as digits as its factorization.

1932453421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 1932453421 is about 43959.6794915523. The cubic root of 1932453421 is about 1245.5744129818.

The spelling of 1932453421 in words is "one billion, nine hundred thirty-two million, four hundred fifty-three thousand, four hundred twenty-one".