13961961012 has 24 divisors (see below), whose sum is σ = 32579820000. Its totient is φ = 4653714016.

The previous prime is 13961960939. The next prime is 13961961029. The reversal of 13961961012 is 21016916931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380239 + ... + 415337.

It is an arithmetic number, because the mean of its divisors is an integer number (1357492500).

Almost surely, 2^13961961012 is an apocalyptic number.

13961961012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13961961012 is an abundant number, since it is smaller than the sum of its proper divisors (18617858988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13961961012 is a wasteful number, since it uses less digits than its factorization.

13961961012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68255 (or 68253 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 39.

The spelling of 13961961012 in words is "thirteen billion, nine hundred sixty-one million, nine hundred sixty-one thousand, twelve".