19497462036 has 24 divisors (see below), whose sum is σ = 48993622944. Its totient is φ = 5999219040.

The previous prime is 19497461911. The next prime is 19497462037. The reversal of 19497462036 is 63026479491.

It is a happy number.

It is a super-2 number, since 2×19497462036² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19497462036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19497462037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62491710 + ... + 62492021.

It is an arithmetic number, because the mean of its divisors is an integer number (2041400956).

Almost surely, 2^19497462036 is an apocalyptic number.

It is an amenable number.

19497462036 is an abundant number, since it is smaller than the sum of its proper divisors (29496160908).

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

19497462036 is a wasteful number, since it uses less digits than its factorization.

19497462036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124983751 (or 124983749 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 19497462036 in words is "nineteen billion, four hundred ninety-seven million, four hundred sixty-two thousand, thirty-six".