270542028649 has 4 divisors (see below), whose sum is σ = 270543485520. Its totient is φ = 270540571780.

The previous prime is 270542028623. The next prime is 270542028683. The reversal of 270542028649 is 946820245072.

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.

It is a cyclic number.

It is not a de Polignac number, because 270542028649 - 2¹⁵ = 270541995881 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270542028689) 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, 400747 + ... + 837664.

It is an arithmetic number, because the mean of its divisors is an integer number (67635871380).

Almost surely, 2^270542028649 is an apocalyptic number.

It is an amenable number.

270542028649 is a deficient number, since it is larger than the sum of its proper divisors (1456871).

270542028649 is a wasteful number, since it uses less digits than its factorization.

270542028649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456870.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 270542028649 in words is "two hundred seventy billion, five hundred forty-two million, twenty-eight thousand, six hundred forty-nine".