270722627561 has 4 divisors (see below), whose sum is σ = 270723776592. Its totient is φ = 270721478532.

The previous prime is 270722627519. The next prime is 270722627573. The reversal of 270722627561 is 165726227072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-270722627561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270722629561) 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, 78155 + ... + 739968.

It is an arithmetic number, because the mean of its divisors is an integer number (67680944148).

Almost surely, 2^270722627561 is an apocalyptic number.

It is an amenable number.

270722627561 is a deficient number, since it is larger than the sum of its proper divisors (1149031).

270722627561 is an equidigital number, since it uses as much as digits as its factorization.

270722627561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149030.

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 270722627561 in words is "two hundred seventy billion, seven hundred twenty-two million, six hundred twenty-seven thousand, five hundred sixty-one".