1546353794349 has 72 divisors (see below), whose sum is σ = 2813625366552. Its totient is φ = 811152195840.

The previous prime is 1546353794303. The next prime is 1546353794369. The reversal of 1546353794349 is 9434973536451.

1546353794349 is a `hidden beast` number, since 1 + 5 + 4 + 6 + 3 + 537 + 94 + 3 + 4 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 195686793225 + 1350667001124 = 442365^2 + 1162182^2 .

It is not a de Polignac number, because 1546353794349 - 2¹² = 1546353790253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1546353794369) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 292567 + ... + 1782779.

It is an arithmetic number, because the mean of its divisors is an integer number (39078130091).

Almost surely, 2^{1546353794349} is an apocalyptic number.

It is an amenable number.

1546353794349 is a deficient number, since it is larger than the sum of its proper divisors (1267271572203).

1546353794349 is a wasteful number, since it uses less digits than its factorization.

1546353794349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490427 (or 1490417 counting only the distinct ones).

The product of its digits is 146966400, while the sum is 63.

The spelling of 1546353794349 in words is "one trillion, five hundred forty-six billion, three hundred fifty-three million, seven hundred ninety-four thousand, three hundred forty-nine".