1254346393393 has 16 divisors (see below), whose sum is σ = 1308204651600. Its totient is φ = 1201794693120.

The previous prime is 1254346393343. The next prime is 1254346393409. The reversal of 1254346393393 is 3933936434521.

It can be written as a sum of positive squares in 8 ways, for example, as 327010135104 + 927336258289 = 571848^2 + 962983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254346393393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1254346393343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736938 + ... + 1746931.

It is an arithmetic number, because the mean of its divisors is an integer number (81762790725).

Almost surely, 2^{1254346393393} is an apocalyptic number.

It is an amenable number.

1254346393393 is a deficient number, since it is larger than the sum of its proper divisors (53858258207).

1254346393393 is a wasteful number, since it uses less digits than its factorization.

1254346393393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484132.

The product of its digits is 18895680, while the sum is 55.

The spelling of 1254346393393 in words is "one trillion, two hundred fifty-four billion, three hundred forty-six million, three hundred ninety-three thousand, three hundred ninety-three".