61275650267 has 4 divisors (see below), whose sum is σ = 65989161840. Its totient is φ = 56562138696.

The previous prime is 61275650263. The next prime is 61275650279. The reversal of 61275650267 is 76205657216.

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

It is a cyclic number.

It is not a de Polignac number, because 61275650267 - 2² = 61275650263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61275650263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2356755767 + ... + 2356755792.

It is an arithmetic number, because the mean of its divisors is an integer number (16497290460).

Almost surely, 2^61275650267 is an apocalyptic number.

61275650267 is a deficient number, since it is larger than the sum of its proper divisors (4713511573).

61275650267 is a wasteful number, since it uses less digits than its factorization.

61275650267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713511572.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 61275650267 in words is "sixty-one billion, two hundred seventy-five million, six hundred fifty thousand, two hundred sixty-seven".