2017694044542 has 16 divisors (see below), whose sum is σ = 4402241551872. Its totient is φ = 611422437720.

The previous prime is 2017694044523. The next prime is 2017694044591. The reversal of 2017694044542 is 2454404967102.

It is a junction number, because it is equal to n+sod(n) for n = 2017694044491 and 2017694044500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15285560878 + ... + 15285561009.

It is an arithmetic number, because the mean of its divisors is an integer number (275140096992).

Almost surely, 2^{2017694044542} is an apocalyptic number.

2017694044542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2017694044542 is an abundant number, since it is smaller than the sum of its proper divisors (2384547507330).

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

2017694044542 is a wasteful number, since it uses less digits than its factorization.

2017694044542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30571121903.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 2017694044542 in words is "two trillion, seventeen billion, six hundred ninety-four million, forty-four thousand, five hundred forty-two".