19435294142418 has 64 divisors (see below), whose sum is σ = 51012665441280. Its totient is φ = 4782437380800.

The previous prime is 19435294142359. The next prime is 19435294142419. The reversal of 19435294142418 is 81424149253491.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (19435294142419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1107036913 + ... + 1107054468.

It is an arithmetic number, because the mean of its divisors is an integer number (797072897520).

Almost surely, 2^{19435294142418} is an apocalyptic number.

19435294142418 is an abundant number, since it is smaller than the sum of its proper divisors (31577371298862).

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

19435294142418 is a wasteful number, since it uses less digits than its factorization.

19435294142418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214091423.

The product of its digits is 9953280, while the sum is 57.

The spelling of 19435294142418 in words is "nineteen trillion, four hundred thirty-five billion, two hundred ninety-four million, one hundred forty-two thousand, four hundred eighteen".