1913523374 has 8 divisors (see below), whose sum is σ = 3280325808. Its totient is φ = 820081440.

The previous prime is 1913523347. The next prime is 1913523401. The reversal of 1913523374 is 4733253191.

It is an interprime number because it is at equal distance from previous prime (1913523347) and next prime (1913523401).

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

It is a congruent number.

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, 68340107 + ... + 68340134.

It is an arithmetic number, because the mean of its divisors is an integer number (410040726).

Almost surely, 2^1913523374 is an apocalyptic number.

1913523374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1913523374 is a deficient number, since it is larger than the sum of its proper divisors (1366802434).

1913523374 is a wasteful number, since it uses less digits than its factorization.

1913523374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136680250.

The product of its digits is 68040, while the sum is 38.

The square root of 1913523374 is about 43743.8381260721. The cubic root of 1913523374 is about 1241.4939014454.

The spelling of 1913523374 in words is "one billion, nine hundred thirteen million, five hundred twenty-three thousand, three hundred seventy-four".