1919292013 has 2 divisors, whose sum is σ = 1919292014. Its totient is φ = 1919292012.

The previous prime is 1919291989. The next prime is 1919292019. The reversal of 1919292013 is 3102929191.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1605364489 + 313927524 = 40067^2 + 17718^2 .

It is a cyclic number.

It is not a de Polignac number, because 1919292013 - 2⁵ = 1919291981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1919292019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 959646006 + 959646007.

It is an arithmetic number, because the mean of its divisors is an integer number (959646007).

Almost surely, 2^1919292013 is an apocalyptic number.

It is an amenable number.

1919292013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1919292013 is an equidigital number, since it uses as much as digits as its factorization.

1919292013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 1919292013 is about 43809.7250961473. The cubic root of 1919292013 is about 1242.7402141404.

The spelling of 1919292013 in words is "one billion, nine hundred nineteen million, two hundred ninety-two thousand, thirteen".