497423281641 has 32 divisors (see below), whose sum is σ = 804315402240. Its totient is φ = 269302017600.

The previous prime is 497423281639. The next prime is 497423281651. The reversal of 497423281641 is 146182324794.

It is not a de Polignac number, because 497423281641 - 2¹ = 497423281639 is a prime.

It is a super-2 number, since 2×497423281641² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (497423281651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18688231 + ... + 18714828.

It is an arithmetic number, because the mean of its divisors is an integer number (25134856320).

Almost surely, 2^497423281641 is an apocalyptic number.

It is an amenable number.

497423281641 is a deficient number, since it is larger than the sum of its proper divisors (306892120599).

497423281641 is a wasteful number, since it uses less digits than its factorization.

497423281641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37403117.

The product of its digits is 2322432, while the sum is 51.

The spelling of 497423281641 in words is "four hundred ninety-seven billion, four hundred twenty-three million, two hundred eighty-one thousand, six hundred forty-one".