19379953 has 2 divisors, whose sum is σ = 19379954. Its totient is φ = 19379952.

The previous prime is 19379939. The next prime is 19379963. The reversal of 19379953 is 35997391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18249984 + 1129969 = 4272^2 + 1063^2 .

It is a cyclic number.

It is not a de Polignac number, because 19379953 - 2⁹ = 19379441 is a prime.

It is not a weakly prime, because it can be changed into another prime (19379963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9689976 + 9689977.

It is an arithmetic number, because the mean of its divisors is an integer number (9689977).

Almost surely, 2^19379953 is an apocalyptic number.

It is an amenable number.

19379953 is a deficient number, since it is larger than the sum of its proper divisors (1).

19379953 is an equidigital number, since it uses as much as digits as its factorization.

19379953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 229635, while the sum is 46.

The square root of 19379953 is about 4402.2668024553. The cubic root of 19379953 is about 268.6071526425.

The spelling of 19379953 in words is "nineteen million, three hundred seventy-nine thousand, nine hundred fifty-three".