2321477776553 has 4 divisors (see below), whose sum is σ = 2500052990148. Its totient is φ = 2142902562960.

The previous prime is 2321477776433. The next prime is 2321477776627. The reversal of 2321477776553 is 3556777741232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 269556179344 + 2051921597209 = 519188^2 + 1432453^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321477776553 - 2⁸ = 2321477776297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2321477776492 and 2321477776501.

It is not an unprimeable number, because it can be changed into a prime (2321477776153) 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, 89287606778 + ... + 89287606803.

It is an arithmetic number, because the mean of its divisors is an integer number (625013247537).

Almost surely, 2^{2321477776553} is an apocalyptic number.

It is an amenable number.

2321477776553 is a deficient number, since it is larger than the sum of its proper divisors (178575213595).

2321477776553 is a wasteful number, since it uses less digits than its factorization.

2321477776553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178575213594.

The product of its digits is 51861600, while the sum is 59.

The spelling of 2321477776553 in words is "two trillion, three hundred twenty-one billion, four hundred seventy-seven million, seven hundred seventy-six thousand, five hundred fifty-three".