151613212613 has 2 divisors, whose sum is σ = 151613212614. Its totient is φ = 151613212612.

The previous prime is 151613212601. The next prime is 151613212633. The reversal of 151613212613 is 316212316151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120092050849 + 31521161764 = 346543^2 + 177542^2 .

It is a cyclic number.

It is not a de Polignac number, because 151613212613 - 2⁶ = 151613212549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151613212613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151613212633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75806606306 + 75806606307.

It is an arithmetic number, because the mean of its divisors is an integer number (75806606307).

Almost surely, 2^151613212613 is an apocalyptic number.

It is an amenable number.

151613212613 is a deficient number, since it is larger than the sum of its proper divisors (1).

151613212613 is an equidigital number, since it uses as much as digits as its factorization.

151613212613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

Adding to 151613212613 its reverse (316212316151), we get a palindrome (467825528764).

The spelling of 151613212613 in words is "one hundred fifty-one billion, six hundred thirteen million, two hundred twelve thousand, six hundred thirteen".