1872427964831 has 2 divisors, whose sum is σ = 1872427964832. Its totient is φ = 1872427964830.

The previous prime is 1872427964801. The next prime is 1872427964867. The reversal of 1872427964831 is 1384697242781.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1872427964831 - 2²² = 1872423770527 is a prime.

It is a super-2 number, since 2×1872427964831² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1872427964801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 936213982415 + 936213982416.

It is an arithmetic number, because the mean of its divisors is an integer number (936213982416).

Almost surely, 2^{1872427964831} is an apocalyptic number.

1872427964831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1872427964831 is an equidigital number, since it uses as much as digits as its factorization.

1872427964831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32514048, while the sum is 62.

The spelling of 1872427964831 in words is "one trillion, eight hundred seventy-two billion, four hundred twenty-seven million, nine hundred sixty-four thousand, eight hundred thirty-one".