396547474653 has 24 divisors (see below), whose sum is σ = 635106347616. Its totient is φ = 236391933600.

The previous prime is 396547474643. The next prime is 396547474657. The reversal of 396547474653 is 356474745693.

It is a happy number.

396547474653 is a `hidden beast` number, since 3 + 9 + 6 + 547 + 47 + 46 + 5 + 3 = 666.

It is not a de Polignac number, because 396547474653 - 2¹³ = 396547466461 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396547474657) 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 23 ways as a sum of consecutive naturals, for example, 32826175 + ... + 32838252.

It is an arithmetic number, because the mean of its divisors is an integer number (26462764484).

Almost surely, 2^396547474653 is an apocalyptic number.

396547474653 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

396547474653 is a deficient number, since it is larger than the sum of its proper divisors (238558872963).

396547474653 is a wasteful number, since it uses less digits than its factorization.

396547474653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65664505 (or 65664502 counting only the distinct ones).

The product of its digits is 228614400, while the sum is 63.

The spelling of 396547474653 in words is "three hundred ninety-six billion, five hundred forty-seven million, four hundred seventy-four thousand, six hundred fifty-three".