13437046491 has 24 divisors (see below), whose sum is σ = 19701024000. Its totient is φ = 8140289520.

The previous prime is 13437046489. The next prime is 13437046547. The reversal of 13437046491 is 19464073431.

13437046491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13437046491 - 2¹ = 13437046489 is a prime.

It is a super-3 number, since 3×13437046491³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13437046421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1082466 + ... + 1094808.

It is an arithmetic number, because the mean of its divisors is an integer number (820876000).

Almost surely, 2^13437046491 is an apocalyptic number.

13437046491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13437046491 is a deficient number, since it is larger than the sum of its proper divisors (6263977509).

13437046491 is a wasteful number, since it uses less digits than its factorization.

13437046491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15367 (or 15356 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 13437046491 in words is "thirteen billion, four hundred thirty-seven million, forty-six thousand, four hundred ninety-one".