19956370046 has 8 divisors (see below), whose sum is σ = 30571460640. Its totient is φ = 9765883168.

The previous prime is 19956370037. The next prime is 19956370103. The reversal of 19956370046 is 64007365991.

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

It is a junction number, because it is equal to n+sod(n) for n = 19956369976 and 19956370003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106150811 + ... + 106150998.

It is an arithmetic number, because the mean of its divisors is an integer number (3821432580).

Almost surely, 2^19956370046 is an apocalyptic number.

19956370046 is a deficient number, since it is larger than the sum of its proper divisors (10615090594).

19956370046 is a wasteful number, since it uses less digits than its factorization.

19956370046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212301858.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 19956370046 in words is "nineteen billion, nine hundred fifty-six million, three hundred seventy thousand, forty-six".