19960268975691 has 8 divisors (see below), whose sum is σ = 29033118510144. Its totient is φ = 12097132712520.

The previous prime is 19960268975677. The next prime is 19960268975693. The reversal of 19960268975691 is 19657986206991.

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

It is not a de Polignac number, because 19960268975691 - 2¹⁵ = 19960268942923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19960268975693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302428317781 + ... + 302428317846.

It is an arithmetic number, because the mean of its divisors is an integer number (3629139813768).

Almost surely, 2^{19960268975691} is an apocalyptic number.

19960268975691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

19960268975691 is a deficient number, since it is larger than the sum of its proper divisors (9072849534453).

19960268975691 is a wasteful number, since it uses less digits than its factorization.

19960268975691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604856635641.

The product of its (nonzero) digits is 793618560, while the sum is 78.

The spelling of 19960268975691 in words is "nineteen trillion, nine hundred sixty billion, two hundred sixty-eight million, nine hundred seventy-five thousand, six hundred ninety-one".