396342783793869 has 32 divisors (see below), whose sum is σ = 586272710522880. Its totient is φ = 236135240476800.

The previous prime is 396342783793867. The next prime is 396342783793907. The reversal of 396342783793869 is 968397387243693.

It is not a de Polignac number, because 396342783793869 - 2¹ = 396342783793867 is a prime.

It is a super-2 number, since 2×396342783793869² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396342783793867) 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, 523690009 + ... + 524446289.

It is an arithmetic number, because the mean of its divisors is an integer number (18321022203840).

Almost surely, 2^{396342783793869} is an apocalyptic number.

It is an amenable number.

396342783793869 is a deficient number, since it is larger than the sum of its proper divisors (189929926729011).

396342783793869 is a wasteful number, since it uses less digits than its factorization.

396342783793869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025521.

The product of its digits is 53331167232, while the sum is 87.

The spelling of 396342783793869 in words is "three hundred ninety-six trillion, three hundred forty-two billion, seven hundred eighty-three million, seven hundred ninety-three thousand, eight hundred sixty-nine".