33699949 has 2 divisors, whose sum is σ = 33699950. Its totient is φ = 33699948.

The previous prime is 33699929. The next prime is 33699961. The reversal of 33699949 is 94999633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29214025 + 4485924 = 5405^2 + 2118^2 .

It is a cyclic number.

It is not a de Polignac number, because 33699949 - 2²⁵ = 145517 is a prime.

It is a super-2 number, since 2×33699949² = 2271373125205202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33699896 and 33699905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33699929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16849974 + 16849975.

It is an arithmetic number, because the mean of its divisors is an integer number (16849975).

Almost surely, 2^33699949 is an apocalyptic number.

It is an amenable number.

33699949 is a deficient number, since it is larger than the sum of its proper divisors (1).

33699949 is an equidigital number, since it uses as much as digits as its factorization.

33699949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1417176, while the sum is 52.

The square root of 33699949 is about 5805.1657168422. The cubic root of 33699949 is about 323.0053739357.

The spelling of 33699949 in words is "thirty-three million, six hundred ninety-nine thousand, nine hundred forty-nine".