249135270226 has 4 divisors (see below), whose sum is σ = 373702905342. Its totient is φ = 124567635112.

The previous prime is 249135270173. The next prime is 249135270239. The reversal of 249135270226 is 622072531942.

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

It can be written as a sum of positive squares in only one way, i.e., 194923133001 + 54212137225 = 441501^2 + 232835^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62283817555 + ... + 62283817558.

Almost surely, 2^249135270226 is an apocalyptic number.

249135270226 is a deficient number, since it is larger than the sum of its proper divisors (124567635116).

249135270226 is a wasteful number, since it uses less digits than its factorization.

249135270226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124567635115.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 249135270226 in words is "two hundred forty-nine billion, one hundred thirty-five million, two hundred seventy thousand, two hundred twenty-six".