19469297461 has 4 divisors (see below), whose sum is σ = 19543325472. Its totient is φ = 19395269452.

The previous prime is 19469297459. The next prime is 19469297489. The reversal of 19469297461 is 16479296491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19469297461 - 2¹ = 19469297459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19469297396 and 19469297405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19469297161) 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, 37013611 + ... + 37014136.

It is an arithmetic number, because the mean of its divisors is an integer number (4885831368).

Almost surely, 2^19469297461 is an apocalyptic number.

It is an amenable number.

19469297461 is a deficient number, since it is larger than the sum of its proper divisors (74028011).

19469297461 is an equidigital number, since it uses as much as digits as its factorization.

19469297461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74028010.

The product of its digits is 5878656, while the sum is 58.

The spelling of 19469297461 in words is "nineteen billion, four hundred sixty-nine million, two hundred ninety-seven thousand, four hundred sixty-one".