434677816537 has 2 divisors, whose sum is σ = 434677816538. Its totient is φ = 434677816536.

The previous prime is 434677816481. The next prime is 434677816549. The reversal of 434677816537 is 735618776434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408409186761 + 26268629776 = 639069^2 + 162076^2 .

It is a cyclic number.

It is not a de Polignac number, because 434677816537 - 2¹¹ = 434677814489 is a prime.

It is not a weakly prime, because it can be changed into another prime (434677816337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217338908268 + 217338908269.

It is an arithmetic number, because the mean of its divisors is an integer number (217338908269).

Almost surely, 2^434677816537 is an apocalyptic number.

It is an amenable number.

434677816537 is a deficient number, since it is larger than the sum of its proper divisors (1).

434677816537 is an equidigital number, since it uses as much as digits as its factorization.

434677816537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71124480, while the sum is 61.

The spelling of 434677816537 in words is "four hundred thirty-four billion, six hundred seventy-seven million, eight hundred sixteen thousand, five hundred thirty-seven".