13546640371450 has 24 divisors (see below), whose sum is σ = 26065604579580. Its totient is φ = 5231805936000.

The previous prime is 13546640371441. The next prime is 13546640371463. The reversal of 13546640371450 is 5417304664531.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3827590954929 + 9719049416521 = 1956423^2 + 3117539^2 .

It is a super-2 number, since 2×13546640371450² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13546640371394 and 13546640371403.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4671253851 + ... + 4671256750.

Almost surely, 2^{13546640371450} is an apocalyptic number.

13546640371450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13546640371450 is a deficient number, since it is larger than the sum of its proper divisors (12518964208130).

13546640371450 is a wasteful number, since it uses less digits than its factorization.

13546640371450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9342510642 (or 9342510637 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 13546640371450 in words is "thirteen trillion, five hundred forty-six billion, six hundred forty million, three hundred seventy-one thousand, four hundred fifty".