19072938651 has 24 divisors (see below), whose sum is σ = 27913425456. Its totient is φ = 11515670400.

The previous prime is 19072938649. The next prime is 19072938653. The reversal of 19072938651 is 15683927091.

It is an interprime number because it is at equal distance from previous prime (19072938649) and next prime (19072938653).

It is not a de Polignac number, because 19072938651 - 2¹ = 19072938649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19072938594 and 19072938603.

It is not an unprimeable number, because it can be changed into a prime (19072938653) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 22501 + ... + 196601.

It is an arithmetic number, because the mean of its divisors is an integer number (1163059394).

Almost surely, 2^19072938651 is an apocalyptic number.

19072938651 is a deficient number, since it is larger than the sum of its proper divisors (8840486805).

19072938651 is a wasteful number, since it uses less digits than its factorization.

19072938651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174223 (or 174170 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The spelling of 19072938651 in words is "nineteen billion, seventy-two million, nine hundred thirty-eight thousand, six hundred fifty-one".