1919468991307 has 16 divisors (see below), whose sum is σ = 2309208563200. Its totient is φ = 1558617318720.

The previous prime is 1919468991289. The next prime is 1919468991313. The reversal of 1919468991307 is 7031998649191.

It is not a de Polignac number, because 1919468991307 - 2⁷ = 1919468991179 is a prime.

It is a super-2 number, since 2×1919468991307² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1919468991907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4341919 + ... + 4763527.

It is an arithmetic number, because the mean of its divisors is an integer number (144325535200).

Almost surely, 2^{1919468991307} is an apocalyptic number.

1919468991307 is a deficient number, since it is larger than the sum of its proper divisors (389739571893).

1919468991307 is a wasteful number, since it uses less digits than its factorization.

1919468991307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455866.

The product of its (nonzero) digits is 26453952, while the sum is 67.

The spelling of 1919468991307 in words is "one trillion, nine hundred nineteen billion, four hundred sixty-eight million, nine hundred ninety-one thousand, three hundred seven".