35720713213 has 4 divisors (see below), whose sum is σ = 36394688988. Its totient is φ = 35046737440.

The previous prime is 35720713211. The next prime is 35720713219. The reversal of 35720713213 is 31231702753.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23292253924 + 12428459289 = 152618^2 + 111483^2 .

It is a cyclic number.

It is not a de Polignac number, because 35720713213 - 2¹ = 35720713211 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 (35720713211) 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, 336987808 + ... + 336987913.

It is an arithmetic number, because the mean of its divisors is an integer number (9098672247).

Almost surely, 2^35720713213 is an apocalyptic number.

It is an amenable number.

35720713213 is a deficient number, since it is larger than the sum of its proper divisors (673975775).

35720713213 is an equidigital number, since it uses as much as digits as its factorization.

35720713213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673975774.

The product of its (nonzero) digits is 26460, while the sum is 34.

The spelling of 35720713213 in words is "thirty-five billion, seven hundred twenty million, seven hundred thirteen thousand, two hundred thirteen".