3500081538213 has 16 divisors (see below), whose sum is σ = 5030719424640. Its totient is φ = 2151770051904.

The previous prime is 3500081538203. The next prime is 3500081538223. The reversal of 3500081538213 is 3128351800053.

It is an interprime number because it is at equal distance from previous prime (3500081538203) and next prime (3500081538223).

It is not a de Polignac number, because 3500081538213 - 2⁴ = 3500081538197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3500081538203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44257473 + ... + 44336486.

It is an arithmetic number, because the mean of its divisors is an integer number (314419964040).

Almost surely, 2^{3500081538213} is an apocalyptic number.

It is an amenable number.

3500081538213 is a deficient number, since it is larger than the sum of its proper divisors (1530637886427).

3500081538213 is a wasteful number, since it uses less digits than its factorization.

3500081538213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88594988.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 3500081538213 in words is "three trillion, five hundred billion, eighty-one million, five hundred thirty-eight thousand, two hundred thirteen".