1913448974 has 8 divisors (see below), whose sum is σ = 3039007248. Its totient is φ = 900446560.

The previous prime is 1913448973. The next prime is 1913448989. The reversal of 1913448974 is 4798443191.

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

It is a super-2 number, since 2×1913448974² = 7322573952203305352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913448973) 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, 28138922 + ... + 28138989.

It is an arithmetic number, because the mean of its divisors is an integer number (379875906).

Almost surely, 2^1913448974 is an apocalyptic number.

1913448974 is a deficient number, since it is larger than the sum of its proper divisors (1125558274).

1913448974 is a wasteful number, since it uses less digits than its factorization.

1913448974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56277930.

The product of its digits is 870912, while the sum is 50.

The square root of 1913448974 is about 43742.9877123180. The cubic root of 1913448974 is about 1241.4778109977.

The spelling of 1913448974 in words is "one billion, nine hundred thirteen million, four hundred forty-eight thousand, nine hundred seventy-four".