33403751964949 has 2 divisors, whose sum is σ = 33403751964950. Its totient is φ = 33403751964948.

The previous prime is 33403751964881. The next prime is 33403751964953. The reversal of 33403751964949 is 94946915730433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22033570284049 + 11370181680900 = 4693993^2 + 3371970^2 .

It is a cyclic number.

It is not a de Polignac number, because 33403751964949 - 2²³ = 33403743576341 is a prime.

It is a super-2 number, since 2×33403751964949² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33403751964959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16701875982474 + 16701875982475.

It is an arithmetic number, because the mean of its divisors is an integer number (16701875982475).

Almost surely, 2^{33403751964949} is an apocalyptic number.

It is an amenable number.

33403751964949 is a deficient number, since it is larger than the sum of its proper divisors (1).

33403751964949 is an equidigital number, since it uses as much as digits as its factorization.

33403751964949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264539520, while the sum is 67.

The spelling of 33403751964949 in words is "thirty-three trillion, four hundred three billion, seven hundred fifty-one million, nine hundred sixty-four thousand, nine hundred forty-nine".