7542321433 has 2 divisors, whose sum is σ = 7542321434. Its totient is φ = 7542321432.

The previous prime is 7542321407. The next prime is 7542321467. The reversal of 7542321433 is 3341232457.

It is an a-pointer prime, because the next prime (7542321467) can be obtained adding 7542321433 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7535628864 + 6692569 = 86808^2 + 2587^2 .

It is a cyclic number.

It is not a de Polignac number, because 7542321433 - 2⁵ = 7542321401 is a prime.

It is a super-2 number, since 2×7542321433² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7542321533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3771160716 + 3771160717.

It is an arithmetic number, because the mean of its divisors is an integer number (3771160717).

Almost surely, 2^7542321433 is an apocalyptic number.

It is an amenable number.

7542321433 is a deficient number, since it is larger than the sum of its proper divisors (1).

7542321433 is an equidigital number, since it uses as much as digits as its factorization.

7542321433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 34.

The square root of 7542321433 is about 86846.5395568528. The cubic root of 7542321433 is about 1961.1087570374.

The spelling of 7542321433 in words is "seven billion, five hundred forty-two million, three hundred twenty-one thousand, four hundred thirty-three".