102433431493 has 2 divisors, whose sum is σ = 102433431494. Its totient is φ = 102433431492.

The previous prime is 102433431481. The next prime is 102433431553. The reversal of 102433431493 is 394134334201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96384169764 + 6049261729 = 310458^2 + 77777^2 .

It is a cyclic number.

It is not a de Polignac number, because 102433431493 - 2²⁵ = 102399877061 is a prime.

It is a super-2 number, since 2×102433431493² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102433431433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51216715746 + 51216715747.

It is an arithmetic number, because the mean of its divisors is an integer number (51216715747).

Almost surely, 2^102433431493 is an apocalyptic number.

It is an amenable number.

102433431493 is a deficient number, since it is larger than the sum of its proper divisors (1).

102433431493 is an equidigital number, since it uses as much as digits as its factorization.

102433431493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 37.

Adding to 102433431493 its reverse (394134334201), we get a palindrome (496567765694).

The spelling of 102433431493 in words is "one hundred two billion, four hundred thirty-three million, four hundred thirty-one thousand, four hundred ninety-three".