1627371421403 has 32 divisors (see below), whose sum is σ = 2036922961920. Its totient is φ = 1265754936960.

The previous prime is 1627371421397. The next prime is 1627371421447. The reversal of 1627371421403 is 3041241737261.

It is a cyclic number.

It is not a de Polignac number, because 1627371421403 - 2²⁰ = 1627370372827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1627371421483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9680876 + ... + 9847542.

It is an arithmetic number, because the mean of its divisors is an integer number (63653842560).

Almost surely, 2^{1627371421403} is an apocalyptic number.

1627371421403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1627371421403 is a deficient number, since it is larger than the sum of its proper divisors (409551540517).

1627371421403 is a wasteful number, since it uses less digits than its factorization.

1627371421403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168507.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 1627371421403 in words is "one trillion, six hundred twenty-seven billion, three hundred seventy-one million, four hundred twenty-one thousand, four hundred three".