4978537194 has 32 divisors (see below), whose sum is σ = 10296552960. Its totient is φ = 1603123200.

The previous prime is 4978537171. The next prime is 4978537237. The reversal of 4978537194 is 4917358794.

It is a happy number.

It is a Curzon 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, 82314 + ... + 129354.

It is an arithmetic number, because the mean of its divisors is an integer number (321767280).

Almost surely, 2^4978537194 is an apocalyptic number.

4978537194 is an abundant number, since it is smaller than the sum of its proper divisors (5318015766).

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

4978537194 is a wasteful number, since it uses less digits than its factorization.

4978537194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47646.

The product of its digits is 7620480, while the sum is 57.

The square root of 4978537194 is about 70558.7499464099. The cubic root of 4978537194 is about 1707.5257119304.

The spelling of 4978537194 in words is "four billion, nine hundred seventy-eight million, five hundred thirty-seven thousand, one hundred ninety-four".