1914478259243 has 8 divisors (see below), whose sum is σ = 2107682488560. Its totient is φ = 1724467488480.

The previous prime is 1914478259237. The next prime is 1914478259257. The reversal of 1914478259243 is 3429528744191.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1914478259243 - 2³⁴ = 1897298390059 is a prime.

It is a super-2 number, since 2×1914478259243² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1914478259233) 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, 798363380 + ... + 798365777.

It is an arithmetic number, because the mean of its divisors is an integer number (263460311070).

Almost surely, 2^{1914478259243} is an apocalyptic number.

1914478259243 is a deficient number, since it is larger than the sum of its proper divisors (193204229317).

1914478259243 is a wasteful number, since it uses less digits than its factorization.

1914478259243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596729277.

The product of its digits is 17418240, while the sum is 59.

The spelling of 1914478259243 in words is "one trillion, nine hundred fourteen billion, four hundred seventy-eight million, two hundred fifty-nine thousand, two hundred forty-three".