1909472113434 has 64 divisors (see below), whose sum is σ = 4091463590400. Its totient is φ = 592279791552.

The previous prime is 1909472113427. The next prime is 1909472113441. The reversal of 1909472113434 is 4343112749091.

It is an interprime number because it is at equal distance from previous prime (1909472113427) and next prime (1909472113441).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8041617 + ... + 8275659.

It is an arithmetic number, because the mean of its divisors is an integer number (63929118600).

Almost surely, 2^{1909472113434} is an apocalyptic number.

1909472113434 is an abundant number, since it is smaller than the sum of its proper divisors (2181991476966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1909472113434 is a wasteful number, since it uses less digits than its factorization.

1909472113434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235339.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 1909472113434 in words is "one trillion, nine hundred nine billion, four hundred seventy-two million, one hundred thirteen thousand, four hundred thirty-four".