1406541260663 has 12 divisors (see below), whose sum is σ = 1784924346312. Its totient is φ = 1096006176720.

The previous prime is 1406541260653. The next prime is 1406541260671. The reversal of 1406541260663 is 3660621456041.

It is not a de Polignac number, because 1406541260663 - 2³⁴ = 1389361391479 is a prime.

It is a super-2 number, since 2×1406541260663² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406541260653) 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, 1304768720 + ... + 1304769797.

It is an arithmetic number, because the mean of its divisors is an integer number (148743695526).

Almost surely, 2^{1406541260663} is an apocalyptic number.

1406541260663 is a deficient number, since it is larger than the sum of its proper divisors (378383085649).

1406541260663 is a wasteful number, since it uses less digits than its factorization.

1406541260663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609538542 (or 2609538535 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 1406541260663 in words is "one trillion, four hundred six billion, five hundred forty-one million, two hundred sixty thousand, six hundred sixty-three".