1948407886774 has 8 divisors (see below), whose sum is σ = 2977755449760. Its totient is φ = 955822736856.

The previous prime is 1948407886771. The next prime is 1948407886801. The reversal of 1948407886774 is 4776887048491.

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

It is a junction number, because it is equal to n+sod(n) for n = 1948407886697 and 1948407886706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948407886771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9190603134 + ... + 9190603345.

It is an arithmetic number, because the mean of its divisors is an integer number (372219431220).

Almost surely, 2^{1948407886774} is an apocalyptic number.

1948407886774 is a deficient number, since it is larger than the sum of its proper divisors (1029347562986).

1948407886774 is a wasteful number, since it uses less digits than its factorization.

1948407886774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18381206534.

The product of its (nonzero) digits is 606928896, while the sum is 73.

The spelling of 1948407886774 in words is "one trillion, nine hundred forty-eight billion, four hundred seven million, eight hundred eighty-six thousand, seven hundred seventy-four".