2156494462363 has 8 divisors (see below), whose sum is σ = 2169249526080. Its totient is φ = 2143747261320.

The previous prime is 2156494462357. The next prime is 2156494462417. The reversal of 2156494462363 is 3632644946512.

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

It is a cyclic number.

It is not a de Polignac number, because 2156494462363 - 2²⁹ = 2155957591451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2156494462163) 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, 1415053 + ... + 2513038.

It is an arithmetic number, because the mean of its divisors is an integer number (271156190760).

Almost surely, 2^{2156494462363} is an apocalyptic number.

2156494462363 is a deficient number, since it is larger than the sum of its proper divisors (12755063717).

2156494462363 is a wasteful number, since it uses less digits than its factorization.

2156494462363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931337.

The product of its digits is 22394880, while the sum is 55.

The spelling of 2156494462363 in words is "two trillion, one hundred fifty-six billion, four hundred ninety-four million, four hundred sixty-two thousand, three hundred sixty-three".