720518213479 has 2 divisors, whose sum is σ = 720518213480. Its totient is φ = 720518213478.

The previous prime is 720518213461. The next prime is 720518213501. The reversal of 720518213479 is 974312815027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 720518213479 - 2⁵ = 720518213447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720518213419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360259106739 + 360259106740.

It is an arithmetic number, because the mean of its divisors is an integer number (360259106740).

Almost surely, 2^720518213479 is an apocalyptic number.

720518213479 is a deficient number, since it is larger than the sum of its proper divisors (1).

720518213479 is an equidigital number, since it uses as much as digits as its factorization.

720518213479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 720518213479 in words is "seven hundred twenty billion, five hundred eighteen million, two hundred thirteen thousand, four hundred seventy-nine".