396813935534 has 4 divisors (see below), whose sum is σ = 595220903304. Its totient is φ = 198406967766.

The previous prime is 396813935527. The next prime is 396813935569. The reversal of 396813935534 is 435539318693.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×396813935534² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99203483882 + ... + 99203483885.

It is an arithmetic number, because the mean of its divisors is an integer number (148805225826).

Almost surely, 2^396813935534 is an apocalyptic number.

396813935534 is a deficient number, since it is larger than the sum of its proper divisors (198406967770).

396813935534 is a wasteful number, since it uses less digits than its factorization.

396813935534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198406967769.

The product of its digits is 31492800, while the sum is 59.

The spelling of 396813935534 in words is "three hundred ninety-six billion, eight hundred thirteen million, nine hundred thirty-five thousand, five hundred thirty-four".