916437543479 has 4 divisors (see below), whose sum is σ = 916663437984. Its totient is φ = 916211648976.

The previous prime is 916437543457. The next prime is 916437543491. The reversal of 916437543479 is 974345734619.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 916437543479 - 2¹² = 916437539383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916437543449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112941167 + ... + 112949280.

It is an arithmetic number, because the mean of its divisors is an integer number (229165859496).

Almost surely, 2^916437543479 is an apocalyptic number.

916437543479 is a deficient number, since it is larger than the sum of its proper divisors (225894505).

916437543479 is a wasteful number, since it uses less digits than its factorization.

916437543479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225894504.

The product of its digits is 68584320, while the sum is 62.

The spelling of 916437543479 in words is "nine hundred sixteen billion, four hundred thirty-seven million, five hundred forty-three thousand, four hundred seventy-nine".