403126880493 has 4 divisors (see below), whose sum is σ = 537502507328. Its totient is φ = 268751253660.

The previous prime is 403126880449. The next prime is 403126880561. The reversal of 403126880493 is 394088621304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 403126880493 - 2¹⁰ = 403126879469 is a prime.

It is a super-2 number, since 2×403126880493² (a number of 24 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 (403126380493) 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, 67187813413 + ... + 67187813418.

It is an arithmetic number, because the mean of its divisors is an integer number (134375626832).

Almost surely, 2^403126880493 is an apocalyptic number.

It is an amenable number.

403126880493 is a deficient number, since it is larger than the sum of its proper divisors (134375626835).

403126880493 is a wasteful number, since it uses less digits than its factorization.

403126880493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134375626834.

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 403126880493 in words is "four hundred three billion, one hundred twenty-six million, eight hundred eighty thousand, four hundred ninety-three".