19908152983 has 4 divisors (see below), whose sum is σ = 19937301768. Its totient is φ = 19879004200.

The previous prime is 19908152969. The next prime is 19908153007. The reversal of 19908152983 is 38925180991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19908152983 - 2¹³ = 19908144791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19908152933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14573368 + ... + 14574733.

It is an arithmetic number, because the mean of its divisors is an integer number (4984325442).

Almost surely, 2^19908152983 is an apocalyptic number.

19908152983 is a deficient number, since it is larger than the sum of its proper divisors (29148785).

19908152983 is an equidigital number, since it uses as much as digits as its factorization.

19908152983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29148784.

The product of its (nonzero) digits is 1399680, while the sum is 55.

The spelling of 19908152983 in words is "nineteen billion, nine hundred eight million, one hundred fifty-two thousand, nine hundred eighty-three".