2047198542 has 32 divisors (see below), whose sum is σ = 4172213760. Its totient is φ = 669552480.

The previous prime is 2047198523. The next prime is 2047198561. The reversal of 2047198542 is 2458917402.

It is an interprime number because it is at equal distance from previous prime (2047198523) and next prime (2047198561).

It is a junction number, because it is equal to n+sod(n) for n = 2047198494 and 2047198503.

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, 52167 + ... + 82557.

It is an arithmetic number, because the mean of its divisors is an integer number (130381680).

Almost surely, 2^2047198542 is an apocalyptic number.

2047198542 is an abundant number, since it is smaller than the sum of its proper divisors (2125015218).

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

2047198542 is a wasteful number, since it uses less digits than its factorization.

2047198542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30608.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 2047198542 is about 45245.9781859117. The cubic root of 2047198542 is about 1269.7551643264.

The spelling of 2047198542 in words is "two billion, forty-seven million, one hundred ninety-eight thousand, five hundred forty-two".