26532739065 has 32 divisors (see below), whose sum is σ = 49101566976. Its totient is φ = 11983112640.

The previous prime is 26532739063. The next prime is 26532739081. The reversal of 26532739065 is 56093723562.

It is not a de Polignac number, because 26532739065 - 2¹ = 26532739063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26532739063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1513531 + ... + 1530960.

It is an arithmetic number, because the mean of its divisors is an integer number (1534423968).

Almost surely, 2^26532739065 is an apocalyptic number.

It is an amenable number.

26532739065 is a deficient number, since it is larger than the sum of its proper divisors (22568827911).

26532739065 is a wasteful number, since it uses less digits than its factorization.

26532739065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044589.

The product of its (nonzero) digits is 2041200, while the sum is 48.

The spelling of 26532739065 in words is "twenty-six billion, five hundred thirty-two million, seven hundred thirty-nine thousand, sixty-five".