140633051893 has 2 divisors, whose sum is σ = 140633051894. Its totient is φ = 140633051892.

The previous prime is 140633051851. The next prime is 140633051941. The reversal of 140633051893 is 398150336041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139392462609 + 1240589284 = 373353^2 + 35222^2 .

It is a cyclic number.

It is not a de Polignac number, because 140633051893 - 2³⁷ = 3194098421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140633031893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70316525946 + 70316525947.

It is an arithmetic number, because the mean of its divisors is an integer number (70316525947).

Almost surely, 2^140633051893 is an apocalyptic number.

It is an amenable number.

140633051893 is a deficient number, since it is larger than the sum of its proper divisors (1).

140633051893 is an equidigital number, since it uses as much as digits as its factorization.

140633051893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 140633051893 in words is "one hundred forty billion, six hundred thirty-three million, fifty-one thousand, eight hundred ninety-three".