5196490661423 has 2 divisors, whose sum is σ = 5196490661424. Its totient is φ = 5196490661422.

The previous prime is 5196490661293. The next prime is 5196490661431. The reversal of 5196490661423 is 3241660946915.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5196490661423 - 2²² = 5196486467119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5196490661123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2598245330711 + 2598245330712.

It is an arithmetic number, because the mean of its divisors is an integer number (2598245330712).

Almost surely, 2^{5196490661423} is an apocalyptic number.

5196490661423 is a deficient number, since it is larger than the sum of its proper divisors (1).

5196490661423 is an equidigital number, since it uses as much as digits as its factorization.

5196490661423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8398080, while the sum is 56.

The spelling of 5196490661423 in words is "five trillion, one hundred ninety-six billion, four hundred ninety million, six hundred sixty-one thousand, four hundred twenty-three".