36780226537 has 2 divisors, whose sum is σ = 36780226538. Its totient is φ = 36780226536.

The previous prime is 36780226531. The next prime is 36780226583. The reversal of 36780226537 is 73562208763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36779951961 + 274576 = 191781^2 + 524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36780226537 is a prime.

It is a super-2 number, since 2×36780226537² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36780226531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18390113268 + 18390113269.

It is an arithmetic number, because the mean of its divisors is an integer number (18390113269).

Almost surely, 2^36780226537 is an apocalyptic number.

It is an amenable number.

36780226537 is a deficient number, since it is larger than the sum of its proper divisors (1).

36780226537 is an equidigital number, since it uses as much as digits as its factorization.

36780226537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 36780226537 in words is "thirty-six billion, seven hundred eighty million, two hundred twenty-six thousand, five hundred thirty-seven".