1918848950974 has 16 divisors (see below), whose sum is σ = 2977736037120. Its totient is φ = 926274978720.

The previous prime is 1918848950947. The next prime is 1918848950981. The reversal of 1918848950974 is 4790598488191.

It is a junction number, because it is equal to n+sod(n) for n = 1918848950897 and 1918848950906.

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, 349317 + ... + 1989904.

It is an arithmetic number, because the mean of its divisors is an integer number (186108502320).

Almost surely, 2^{1918848950974} is an apocalyptic number.

1918848950974 is a deficient number, since it is larger than the sum of its proper divisors (1058887086146).

1918848950974 is a wasteful number, since it uses less digits than its factorization.

1918848950974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353395.

The product of its (nonzero) digits is 209018880, while the sum is 73.

The spelling of 1918848950974 in words is "one trillion, nine hundred eighteen billion, eight hundred forty-eight million, nine hundred fifty thousand, nine hundred seventy-four".