2159563451 has 8 divisors (see below), whose sum is σ = 2168050224. Its totient is φ = 2151087840.

The previous prime is 2159563391. The next prime is 2159563457. The reversal of 2159563451 is 1543659512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2159563451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2159563399 and 2159563408.

It is not an unprimeable number, because it can be changed into a prime (2159563457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725396 + ... + 728366.

It is an arithmetic number, because the mean of its divisors is an integer number (271006278).

Almost surely, 2^2159563451 is an apocalyptic number.

2159563451 is a deficient number, since it is larger than the sum of its proper divisors (8486773).

2159563451 is a wasteful number, since it uses less digits than its factorization.

2159563451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581.

The product of its digits is 162000, while the sum is 41.

The square root of 2159563451 is about 46471.1033977030. The cubic root of 2159563451 is about 1292.5737233082.

The spelling of 2159563451 in words is "two billion, one hundred fifty-nine million, five hundred sixty-three thousand, four hundred fifty-one".