536491979 has 2 divisors, whose sum is σ = 536491980. Its totient is φ = 536491978.

The previous prime is 536491973. The next prime is 536492003. The reversal of 536491979 is 979194635.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 536491979 - 2²⁴ = 519714763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 536491979.

It is not a weakly prime, because it can be changed into another prime (536491973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268245989 + 268245990.

It is an arithmetic number, because the mean of its divisors is an integer number (268245990).

Almost surely, 2^536491979 is an apocalyptic number.

536491979 is a deficient number, since it is larger than the sum of its proper divisors (1).

536491979 is an equidigital number, since it uses as much as digits as its factorization.

536491979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1837080, while the sum is 53.

The square root of 536491979 is about 23162.2964966775. The cubic root of 536491979 is about 812.5580759750.

The spelling of 536491979 in words is "five hundred thirty-six million, four hundred ninety-one thousand, nine hundred seventy-nine".