736507121369 has 2 divisors, whose sum is σ = 736507121370. Its totient is φ = 736507121368.

The previous prime is 736507121353. The next prime is 736507121419. The reversal of 736507121369 is 963121705637.

It is an a-pointer prime, because the next prime (736507121419) can be obtained adding 736507121369 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 699543213769 + 36963907600 = 836387^2 + 192260^2 .

It is a cyclic number.

It is not a de Polignac number, because 736507121369 - 2⁴ = 736507121353 is a prime.

It is a super-2 number, since 2×736507121369² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (736507121569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368253560684 + 368253560685.

It is an arithmetic number, because the mean of its divisors is an integer number (368253560685).

Almost surely, 2^736507121369 is an apocalyptic number.

It is an amenable number.

736507121369 is a deficient number, since it is larger than the sum of its proper divisors (1).

736507121369 is an equidigital number, since it uses as much as digits as its factorization.

736507121369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The spelling of 736507121369 in words is "seven hundred thirty-six billion, five hundred seven million, one hundred twenty-one thousand, three hundred sixty-nine".