36102505609 has 2 divisors, whose sum is σ = 36102505610. Its totient is φ = 36102505608.

The previous prime is 36102505513. The next prime is 36102505613. The reversal of 36102505609 is 90650520163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24103494009 + 11999011600 = 155253^2 + 109540^2 .

It is a cyclic number.

It is not a de Polignac number, because 36102505609 - 2²¹ = 36100408457 is a prime.

It is a super-2 number, since 2×36102505609² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36102505619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18051252804 + 18051252805.

It is an arithmetic number, because the mean of its divisors is an integer number (18051252805).

Almost surely, 2^36102505609 is an apocalyptic number.

It is an amenable number.

36102505609 is a deficient number, since it is larger than the sum of its proper divisors (1).

36102505609 is an equidigital number, since it uses as much as digits as its factorization.

36102505609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 36102505609 in words is "thirty-six billion, one hundred two million, five hundred five thousand, six hundred nine".