33556484641 has 2 divisors, whose sum is σ = 33556484642. Its totient is φ = 33556484640.

The previous prime is 33556484561. The next prime is 33556484693. The reversal of 33556484641 is 14648465533.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27865291041 + 5691193600 = 166929^2 + 75440^2 .

It is a cyclic number.

It is not a de Polignac number, because 33556484641 - 2¹³ = 33556476449 is a prime.

It is a super-2 number, since 2×33556484641² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33556484441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16778242320 + 16778242321.

It is an arithmetic number, because the mean of its divisors is an integer number (16778242321).

Almost surely, 2^33556484641 is an apocalyptic number.

It is an amenable number.

33556484641 is a deficient number, since it is larger than the sum of its proper divisors (1).

33556484641 is an equidigital number, since it uses as much as digits as its factorization.

33556484641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4147200, while the sum is 49.

The spelling of 33556484641 in words is "thirty-three billion, five hundred fifty-six million, four hundred eighty-four thousand, six hundred forty-one".