2152563226654 has 4 divisors (see below), whose sum is σ = 3228844839984. Its totient is φ = 1076281613326.

The previous prime is 2152563226613. The next prime is 2152563226673. The reversal of 2152563226654 is 4566223652512.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2152563226598 and 2152563226607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538140806662 + ... + 538140806665.

It is an arithmetic number, because the mean of its divisors is an integer number (807211209996).

Almost surely, 2^{2152563226654} is an apocalyptic number.

2152563226654 is a deficient number, since it is larger than the sum of its proper divisors (1076281613330).

2152563226654 is a wasteful number, since it uses less digits than its factorization.

2152563226654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076281613329.

The product of its digits is 5184000, while the sum is 49.

The spelling of 2152563226654 in words is "two trillion, one hundred fifty-two billion, five hundred sixty-three million, two hundred twenty-six thousand, six hundred fifty-four".