1919926414 has 16 divisors (see below), whose sum is σ = 3332966400. Its totient is φ = 812409624.

The previous prime is 1919926409. The next prime is 1919926417. The reversal of 1919926414 is 4146299191.

It is a super-2 number, since 2×1919926414² = 7372234870349798792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1919926417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866854 + ... + 869065.

It is an arithmetic number, because the mean of its divisors is an integer number (208310400).

Almost surely, 2^1919926414 is an apocalyptic number.

1919926414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1919926414 is a deficient number, since it is larger than the sum of its proper divisors (1413039986).

1919926414 is a wasteful number, since it uses less digits than its factorization.

1919926414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736007.

The product of its digits is 139968, while the sum is 46.

The square root of 1919926414 is about 43816.9649108653. The cubic root of 1919926414 is about 1242.8771237890.

The spelling of 1919926414 in words is "one billion, nine hundred nineteen million, nine hundred twenty-six thousand, four hundred fourteen".