1880691072431 has 2 divisors, whose sum is σ = 1880691072432. Its totient is φ = 1880691072430.

The previous prime is 1880691072409. The next prime is 1880691072473. The reversal of 1880691072431 is 1342701960881.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1342701960881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1880691072431 - 2¹⁴ = 1880691056047 is a prime.

It is a super-2 number, since 2×1880691072431² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1880691072431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1880691042431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 940345536215 + 940345536216.

It is an arithmetic number, because the mean of its divisors is an integer number (940345536216).

Almost surely, 2^{1880691072431} is an apocalyptic number.

1880691072431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1880691072431 is an equidigital number, since it uses as much as digits as its factorization.

1880691072431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 1880691072431 in words is "one trillion, eight hundred eighty billion, six hundred ninety-one million, seventy-two thousand, four hundred thirty-one".