1948403347018 has 8 divisors (see below), whose sum is σ = 2923097142240. Its totient is φ = 974037632940.

The previous prime is 1948403346991. The next prime is 1948403347067. The reversal of 1948403347018 is 8107433048491.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82005438 + ... + 82029193.

It is an arithmetic number, because the mean of its divisors is an integer number (365387142780).

Almost surely, 2^{1948403347018} is an apocalyptic number.

1948403347018 is a deficient number, since it is larger than the sum of its proper divisors (974693795222).

1948403347018 is a wasteful number, since it uses less digits than its factorization.

1948403347018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164040572.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 1948403347018 in words is "one trillion, nine hundred forty-eight billion, four hundred three million, three hundred forty-seven thousand, eighteen".