1431626367427 has 16 divisors (see below), whose sum is σ = 1569101466240. Its totient is φ = 1300127997952.

The previous prime is 1431626367377. The next prime is 1431626367449. The reversal of 1431626367427 is 7247636261341.

It is a cyclic number.

It is not a de Polignac number, because 1431626367427 - 2⁷ = 1431626367299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431626367467) 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 15 ways as a sum of consecutive naturals, for example, 136798 + ... + 1697635.

It is an arithmetic number, because the mean of its divisors is an integer number (98068841640).

Almost surely, 2^{1431626367427} is an apocalyptic number.

1431626367427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1431626367427 is a deficient number, since it is larger than the sum of its proper divisors (137475098813).

1431626367427 is a wasteful number, since it uses less digits than its factorization.

1431626367427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836062.

The product of its digits is 6096384, while the sum is 52.

The spelling of 1431626367427 in words is "one trillion, four hundred thirty-one billion, six hundred twenty-six million, three hundred sixty-seven thousand, four hundred twenty-seven".