6403492992103 has 4 divisors (see below), whose sum is σ = 6780169050480. Its totient is φ = 6026816933728.

The previous prime is 6403492992079. The next prime is 6403492992119. The reversal of 6403492992103 is 3012992943046.

It is a happy number.

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 6403492992103 - 2⁹ = 6403492991591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403492992163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188338029163 + ... + 188338029196.

It is an arithmetic number, because the mean of its divisors is an integer number (1695042262620).

Almost surely, 2^{6403492992103} is an apocalyptic number.

6403492992103 is a deficient number, since it is larger than the sum of its proper divisors (376676058377).

6403492992103 is a wasteful number, since it uses less digits than its factorization.

6403492992103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376676058376.

The product of its (nonzero) digits is 2519424, while the sum is 52.

The spelling of 6403492992103 in words is "six trillion, four hundred three billion, four hundred ninety-two million, nine hundred ninety-two thousand, one hundred three".