497075628868991 has 16 divisors (see below), whose sum is σ = 510240280517088. Its totient is φ = 484073038512000.

The previous prime is 497075628868909. The next prime is 497075628869009. The reversal of 497075628868991 is 199868826570794.

It is a cyclic number.

It is not a de Polignac number, because 497075628868991 - 2⁴² = 492677582357887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 497075628868897 and 497075628868906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497075628862991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233384420 + ... + 235504646.

It is an arithmetic number, because the mean of its divisors is an integer number (31890017532318).

Almost surely, 2^{497075628868991} is an apocalyptic number.

497075628868991 is a deficient number, since it is larger than the sum of its proper divisors (13164651648097).

497075628868991 is a wasteful number, since it uses less digits than its factorization.

497075628868991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158442.

The product of its (nonzero) digits is 26336378880, while the sum is 89.

The spelling of 497075628868991 in words is "four hundred ninety-seven trillion, seventy-five billion, six hundred twenty-eight million, eight hundred sixty-eight thousand, nine hundred ninety-one".