2154707577653 has 4 divisors (see below), whose sum is σ = 2154711830400. Its totient is φ = 2154703324908.

The previous prime is 2154707577647. The next prime is 2154707577683. The reversal of 2154707577653 is 3567757074512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2154707577653 - 2⁸ = 2154707577397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2154707577592 and 2154707577601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154707577683) 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, 1244453 + ... + 2420346.

It is an arithmetic number, because the mean of its divisors is an integer number (538677957600).

Almost surely, 2^{2154707577653} is an apocalyptic number.

It is an amenable number.

2154707577653 is a deficient number, since it is larger than the sum of its proper divisors (4252747).

2154707577653 is an equidigital number, since it uses as much as digits as its factorization.

2154707577653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252746.

The product of its (nonzero) digits is 43218000, while the sum is 59.

The spelling of 2154707577653 in words is "two trillion, one hundred fifty-four billion, seven hundred seven million, five hundred seventy-seven thousand, six hundred fifty-three".