946774023553 has 4 divisors (see below), whose sum is σ = 957411934020. Its totient is φ = 936136113088.

The previous prime is 946774023529. The next prime is 946774023583. The reversal of 946774023553 is 355320477649.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 355320477649 = 19 ⋅18701077771.

It can be written as a sum of positive squares in 2 ways, for example, as 201647698704 + 745126324849 = 449052^2 + 863207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-946774023553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 946774023494 and 946774023503.

It is not an unprimeable number, because it can be changed into a prime (946774023583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5318955100 + ... + 5318955277.

It is an arithmetic number, because the mean of its divisors is an integer number (239352983505).

Almost surely, 2^946774023553 is an apocalyptic number.

It is an amenable number.

946774023553 is a deficient number, since it is larger than the sum of its proper divisors (10637910467).

946774023553 is a wasteful number, since it uses less digits than its factorization.

946774023553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10637910466.

The product of its (nonzero) digits is 19051200, while the sum is 55.

The spelling of 946774023553 in words is "nine hundred forty-six billion, seven hundred seventy-four million, twenty-three thousand, five hundred fifty-three".