2154635466013 has 4 divisors (see below), whose sum is σ = 2155404157888. Its totient is φ = 2153866774140.

The previous prime is 2154635465999. The next prime is 2154635466029. The reversal of 2154635466013 is 3106645364512.

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 2154635466013 - 2⁹ = 2154635465501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154635466913) 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, 384341733 + ... + 384347338.

It is an arithmetic number, because the mean of its divisors is an integer number (538851039472).

Almost surely, 2^{2154635466013} is an apocalyptic number.

It is an amenable number.

2154635466013 is a deficient number, since it is larger than the sum of its proper divisors (768691875).

2154635466013 is an equidigital number, since it uses as much as digits as its factorization.

2154635466013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768691874.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 2154635466013 in words is "two trillion, one hundred fifty-four billion, six hundred thirty-five million, four hundred sixty-six thousand, thirteen".