2187924794463 has 16 divisors (see below), whose sum is σ = 2922502582496. Its totient is φ = 1455984132480.

The previous prime is 2187924794453. The next prime is 2187924794491. The reversal of 2187924794463 is 3644974297812.

It is not a de Polignac number, because 2187924794463 - 2³² = 2183629827167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2187924794394 and 2187924794403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2187924794423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3420981 + ... + 4009857.

It is an arithmetic number, because the mean of its divisors is an integer number (182656411406).

Almost surely, 2^{2187924794463} is an apocalyptic number.

2187924794463 is a deficient number, since it is larger than the sum of its proper divisors (734577788033).

2187924794463 is a wasteful number, since it uses less digits than its factorization.

2187924794463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591114.

The product of its digits is 146313216, while the sum is 66.

The spelling of 2187924794463 in words is "two trillion, one hundred eighty-seven billion, nine hundred twenty-four million, seven hundred ninety-four thousand, four hundred sixty-three".