536821739 has 2 divisors, whose sum is σ = 536821740. Its totient is φ = 536821738.

The previous prime is 536821717. The next prime is 536821781. The reversal of 536821739 is 937128635.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-536821739 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 536821739.

It is not a weakly prime, because it can be changed into another prime (536821139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268410869 + 268410870.

It is an arithmetic number, because the mean of its divisors is an integer number (268410870).

Almost surely, 2^536821739 is an apocalyptic number.

536821739 is a deficient number, since it is larger than the sum of its proper divisors (1).

536821739 is an equidigital number, since it uses as much as digits as its factorization.

536821739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 536821739 is about 23169.4138682876. The cubic root of 536821739 is about 812.7245241116.

The spelling of 536821739 in words is "five hundred thirty-six million, eight hundred twenty-one thousand, seven hundred thirty-nine".