206357742274 has 8 divisors (see below), whose sum is σ = 327744649548. Its totient is φ = 97109525760.

The previous prime is 206357742259. The next prime is 206357742287. The reversal of 206357742274 is 472247753602.

It can be written as a sum of positive squares in 2 ways, for example, as 205351266649 + 1006475625 = 453157^2 + 31725^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3034672647 + ... + 3034672714.

Almost surely, 2^206357742274 is an apocalyptic number.

206357742274 is a deficient number, since it is larger than the sum of its proper divisors (121386907274).

206357742274 is a wasteful number, since it uses less digits than its factorization.

206357742274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6069345380.

The product of its (nonzero) digits is 3951360, while the sum is 49.

The spelling of 206357742274 in words is "two hundred six billion, three hundred fifty-seven million, seven hundred forty-two thousand, two hundred seventy-four".