19470506492 has 24 divisors (see below), whose sum is σ = 34485720192. Its totient is φ = 9617864000.

The previous prime is 19470506477. The next prime is 19470506507. The reversal of 19470506492 is 29460507491.

It is an interprime number because it is at equal distance from previous prime (19470506477) and next prime (19470506507).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133973 + ... + 238515.

It is an arithmetic number, because the mean of its divisors is an integer number (1436905008).

Almost surely, 2^19470506492 is an apocalyptic number.

It is an amenable number.

19470506492 is a deficient number, since it is larger than the sum of its proper divisors (15015213700).

19470506492 is a wasteful number, since it uses less digits than its factorization.

19470506492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105109 (or 105107 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

Subtracting 19470506492 from its reverse (29460507491), we obtain a palindrome (9990000999).

The spelling of 19470506492 in words is "nineteen billion, four hundred seventy million, five hundred six thousand, four hundred ninety-two".