19422073746 has 12 divisors (see below), whose sum is σ = 42081159822. Its totient is φ = 6474024576.

The previous prime is 19422073739. The next prime is 19422073753. The reversal of 19422073746 is 64737022491.

It is an interprime number because it is at equal distance from previous prime (19422073739) and next prime (19422073753).

It can be written as a sum of positive squares in only one way, i.e., 19189175625 + 232898121 = 138525^2 + 15261^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 539502031 + ... + 539502066.

Almost surely, 2^19422073746 is an apocalyptic number.

19422073746 is an abundant number, since it is smaller than the sum of its proper divisors (22659086076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19422073746 is a wasteful number, since it uses less digits than its factorization.

19422073746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079004105 (or 1079004102 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 19422073746 in words is "nineteen billion, four hundred twenty-two million, seventy-three thousand, seven hundred forty-six".