13349282546890 has 64 divisors (see below), whose sum is σ = 24568163563680. Its totient is φ = 5220888330240.

The previous prime is 13349282546837. The next prime is 13349282546981. The reversal of 13349282546890 is 9864528294331.

It is a Cunningham number, because it is equal to 3653667²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 204140408761 + 13145142138129 = 451819^2 + 3625623^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1149110362 + ... + 1149121978.

Almost surely, 2^{13349282546890} is an apocalyptic number.

13349282546890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13349282546890 is a deficient number, since it is larger than the sum of its proper divisors (11218881016790).

13349282546890 is a wasteful number, since it uses less digits than its factorization.

13349282546890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22747.

The product of its (nonzero) digits is 89579520, while the sum is 64.

The spelling of 13349282546890 in words is "thirteen trillion, three hundred forty-nine billion, two hundred eighty-two million, five hundred forty-six thousand, eight hundred ninety".