19740672001 has 8 divisors (see below), whose sum is σ = 21263445504. Its totient is φ = 18273272160.

The previous prime is 19740671987. The next prime is 19740672011. The reversal of 19740672001 is 10027604791.

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

It is a cyclic number.

It is not a de Polignac number, because 19740672001 - 2⁵ = 19740671969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19740672011) 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, 13842676 + ... + 13844101.

It is an arithmetic number, because the mean of its divisors is an integer number (2657930688).

Almost surely, 2^19740672001 is an apocalyptic number.

It is an amenable number.

19740672001 is a deficient number, since it is larger than the sum of its proper divisors (1522773503).

19740672001 is a wasteful number, since it uses less digits than its factorization.

19740672001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27686831.

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 19740672001 in words is "nineteen billion, seven hundred forty million, six hundred seventy-two thousand, one".