1213746617433 has 32 divisors (see below), whose sum is σ = 1958467762944. Its totient is φ = 652719992832.

The previous prime is 1213746617389. The next prime is 1213746617437. The reversal of 1213746617433 is 3347166473121.

It is a happy number.

It is not a de Polignac number, because 1213746617433 - 2⁹ = 1213746616921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213746617437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4655841 + ... + 4909617.

It is an arithmetic number, because the mean of its divisors is an integer number (61202117592).

Almost surely, 2^{1213746617433} is an apocalyptic number.

It is an amenable number.

1213746617433 is a deficient number, since it is larger than the sum of its proper divisors (744721145511).

1213746617433 is a wasteful number, since it uses less digits than its factorization.

1213746617433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267201.

The product of its digits is 1524096, while the sum is 48.

The spelling of 1213746617433 in words is "one trillion, two hundred thirteen billion, seven hundred forty-six million, six hundred seventeen thousand, four hundred thirty-three".