1406644232463 has 12 divisors (see below), whose sum is σ = 2051545850640. Its totient is φ = 928658327616.

The previous prime is 1406644232417. The next prime is 1406644232473. The reversal of 1406644232463 is 3642324466041.

1406644232463 is a `hidden beast` number, since 1 + 406 + 6 + 4 + 4 + 232 + 4 + 6 + 3 = 666.

It is not a de Polignac number, because 1406644232463 - 2⁸ = 1406644232207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406644232473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 758706858 + ... + 758708711.

It is an arithmetic number, because the mean of its divisors is an integer number (170962154220).

Almost surely, 2^{1406644232463} is an apocalyptic number.

1406644232463 is a deficient number, since it is larger than the sum of its proper divisors (644901618177).

1406644232463 is a wasteful number, since it uses less digits than its factorization.

1406644232463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517415678 (or 1517415675 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 45.

The spelling of 1406644232463 in words is "one trillion, four hundred six billion, six hundred forty-four million, two hundred thirty-two thousand, four hundred sixty-three".