33400105049 has 2 divisors, whose sum is σ = 33400105050. Its totient is φ = 33400105048.

The previous prime is 33400105021. The next prime is 33400105061. The reversal of 33400105049 is 94050100433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21678145225 + 11721959824 = 147235^2 + 108268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33400105049 is a prime.

It is a super-2 number, since 2×33400105049² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33400305049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16700052524 + 16700052525.

It is an arithmetic number, because the mean of its divisors is an integer number (16700052525).

Almost surely, 2^33400105049 is an apocalyptic number.

It is an amenable number.

33400105049 is a deficient number, since it is larger than the sum of its proper divisors (1).

33400105049 is an equidigital number, since it uses as much as digits as its factorization.

33400105049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 33400105049 in words is "thirty-three billion, four hundred million, one hundred five thousand, forty-nine".