497202364621 has 4 divisors (see below), whose sum is σ = 499558774144. Its totient is φ = 494845955100.

The previous prime is 497202364619. The next prime is 497202364651. The reversal of 497202364621 is 126463202794.

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 497202364621 - 2¹ = 497202364619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497202364601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1178204445 + ... + 1178204866.

It is an arithmetic number, because the mean of its divisors is an integer number (124889693536).

Almost surely, 2^497202364621 is an apocalyptic number.

It is an amenable number.

497202364621 is a deficient number, since it is larger than the sum of its proper divisors (2356409523).

497202364621 is a wasteful number, since it uses less digits than its factorization.

497202364621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356409522.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 497202364621 in words is "four hundred ninety-seven billion, two hundred two million, three hundred sixty-four thousand, six hundred twenty-one".