15675406613 has 2 divisors, whose sum is σ = 15675406614. Its totient is φ = 15675406612.

The previous prime is 15675406609. The next prime is 15675406633. The reversal of 15675406613 is 31660457651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15058480369 + 616926244 = 122713^2 + 24838^2 .

It is a cyclic number.

It is not a de Polignac number, because 15675406613 - 2² = 15675406609 is a prime.

It is a super-3 number, since 3×15675406613³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15675406633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7837703306 + 7837703307.

It is an arithmetic number, because the mean of its divisors is an integer number (7837703307).

Almost surely, 2^15675406613 is an apocalyptic number.

It is an amenable number.

15675406613 is a deficient number, since it is larger than the sum of its proper divisors (1).

15675406613 is an equidigital number, since it uses as much as digits as its factorization.

15675406613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 15675406613 in words is "fifteen billion, six hundred seventy-five million, four hundred six thousand, six hundred thirteen".