206293121398 has 48 divisors (see below), whose sum is σ = 410452678944. Its totient is φ = 76809841920.

The previous prime is 206293121387. The next prime is 206293121401. The reversal of 206293121398 is 893121392602.

It is a super-2 number, since 2×206293121398² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4740858 + ... + 4784173.

It is an arithmetic number, because the mean of its divisors is an integer number (8551097478).

Almost surely, 2^206293121398 is an apocalyptic number.

206293121398 is a deficient number, since it is larger than the sum of its proper divisors (204159557546).

206293121398 is a wasteful number, since it uses less digits than its factorization.

206293121398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9525077 (or 9525070 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 206293121398 in words is "two hundred six billion, two hundred ninety-three million, one hundred twenty-one thousand, three hundred ninety-eight".