19410434542 has 32 divisors (see below), whose sum is σ = 31666360320. Its totient is φ = 8893815840.

The previous prime is 19410434521. The next prime is 19410434569. The reversal of 19410434542 is 24543401491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75123 + ... + 210865.

It is an arithmetic number, because the mean of its divisors is an integer number (989573760).

Almost surely, 2^19410434542 is an apocalyptic number.

19410434542 is a deficient number, since it is larger than the sum of its proper divisors (12255925778).

19410434542 is a wasteful number, since it uses less digits than its factorization.

19410434542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135888.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 19410434542 in words is "nineteen billion, four hundred ten million, four hundred thirty-four thousand, five hundred forty-two".