1469728919 has 2 divisors, whose sum is σ = 1469728920. Its totient is φ = 1469728918.

The previous prime is 1469728913. The next prime is 1469728933. The reversal of 1469728919 is 9198279641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1469728919 - 2¹⁶ = 1469663383 is a prime.

It is a super-2 number, since 2×1469728919² = 4320206190689817122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1469728913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734864459 + 734864460.

It is an arithmetic number, because the mean of its divisors is an integer number (734864460).

Almost surely, 2^1469728919 is an apocalyptic number.

1469728919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1469728919 is an equidigital number, since it uses as much as digits as its factorization.

1469728919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 56.

The square root of 1469728919 is about 38337.0436914481. The cubic root of 1469728919 is about 1136.9614679642.

The spelling of 1469728919 in words is "one billion, four hundred sixty-nine million, seven hundred twenty-eight thousand, nine hundred nineteen".