1400173262743 has 4 divisors (see below), whose sum is σ = 1432735431688. Its totient is φ = 1367611093800.

The previous prime is 1400173262617. The next prime is 1400173262749. The reversal of 1400173262743 is 3472623710041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1400173262743 - 2²⁵ = 1400139708311 is a prime.

It is a super-2 number, since 2×1400173262743² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1400173262696 and 1400173262705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400173262749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16281084408 + ... + 16281084493.

It is an arithmetic number, because the mean of its divisors is an integer number (358183857922).

Almost surely, 2^{1400173262743} is an apocalyptic number.

1400173262743 is a deficient number, since it is larger than the sum of its proper divisors (32562168945).

1400173262743 is an equidigital number, since it uses as much as digits as its factorization.

1400173262743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32562168944.

The product of its (nonzero) digits is 169344, while the sum is 40.

Adding to 1400173262743 its reverse (3472623710041), we get a palindrome (4872796972784).

The spelling of 1400173262743 in words is "one trillion, four hundred billion, one hundred seventy-three million, two hundred sixty-two thousand, seven hundred forty-three".