19677303345 has 16 divisors (see below), whose sum is σ = 35981354880. Its totient is φ = 8995338624.

The previous prime is 19677303343. The next prime is 19677303379. The reversal of 19677303345 is 54330377691.

It is not a de Polignac number, because 19677303345 - 2¹ = 19677303343 is a prime.

It is a super-2 number, since 2×19677303345² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19677303294 and 19677303303.

It is not an unprimeable number, because it can be changed into a prime (19677303341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93701340 + ... + 93701549.

It is an arithmetic number, because the mean of its divisors is an integer number (2248834680).

Almost surely, 2^19677303345 is an apocalyptic number.

19677303345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19677303345 is a deficient number, since it is larger than the sum of its proper divisors (16304051535).

19677303345 is a wasteful number, since it uses less digits than its factorization.

19677303345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187402904.

The product of its (nonzero) digits is 1428840, while the sum is 48.

The spelling of 19677303345 in words is "nineteen billion, six hundred seventy-seven million, three hundred three thousand, three hundred forty-five".