19713092386 has 32 divisors (see below), whose sum is σ = 33081043968. Its totient is φ = 8748717120.

The previous prime is 19713092383. The next prime is 19713092393. The reversal of 19713092386 is 68329031791.

It is a super-2 number, since 2×19713092386² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19713092381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48651 + ... + 204433.

It is an arithmetic number, because the mean of its divisors is an integer number (1033782624).

Almost surely, 2^19713092386 is an apocalyptic number.

19713092386 is a deficient number, since it is larger than the sum of its proper divisors (13367951582).

19713092386 is a wasteful number, since it uses less digits than its factorization.

19713092386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155986.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 19713092386 in words is "nineteen billion, seven hundred thirteen million, ninety-two thousand, three hundred eighty-six".