13530173961 has 16 divisors (see below), whose sum is σ = 19019863040. Its totient is φ = 8531807760.

The previous prime is 13530173957. The next prime is 13530173971. The reversal of 13530173961 is 16937103531.

It is not a de Polignac number, because 13530173961 - 2² = 13530173957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13530173971) 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, 152125 + ... + 224058.

It is an arithmetic number, because the mean of its divisors is an integer number (1188741440).

Almost surely, 2^13530173961 is an apocalyptic number.

It is an amenable number.

13530173961 is a deficient number, since it is larger than the sum of its proper divisors (5489689079).

13530173961 is a wasteful number, since it uses less digits than its factorization.

13530173961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376836.

The product of its (nonzero) digits is 51030, while the sum is 39.

The spelling of 13530173961 in words is "thirteen billion, five hundred thirty million, one hundred seventy-three thousand, nine hundred sixty-one".