2154130463464 has 16 divisors (see below), whose sum is σ = 4615993850400. Its totient is φ = 923198770032.

The previous prime is 2154130463453. The next prime is 2154130463489. The reversal of 2154130463464 is 4643640314512.

It is a self number, because there is not a number n which added to its sum of digits gives 2154130463464.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19233307654 + ... + 19233307765.

It is an arithmetic number, because the mean of its divisors is an integer number (288499615650).

Almost surely, 2^{2154130463464} is an apocalyptic number.

It is an amenable number.

2154130463464 is an abundant number, since it is smaller than the sum of its proper divisors (2461863386936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154130463464 is a wasteful number, since it uses less digits than its factorization.

2154130463464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38466615432 (or 38466615428 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

Adding to 2154130463464 its reverse (4643640314512), we get a palindrome (6797770777976).

The spelling of 2154130463464 in words is "two trillion, one hundred fifty-four billion, one hundred thirty million, four hundred sixty-three thousand, four hundred sixty-four".