36968819 has 2 divisors, whose sum is σ = 36968820. Its totient is φ = 36968818.

The previous prime is 36968807. The next prime is 36968849. The reversal of 36968819 is 91886963.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36968819 - 2⁴ = 36968803 is a prime.

It is a super-2 number, since 2×36968819² = 2733387156509522, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (36968849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18484409 + 18484410.

It is an arithmetic number, because the mean of its divisors is an integer number (18484410).

Almost surely, 2^36968819 is an apocalyptic number.

36968819 is a deficient number, since it is larger than the sum of its proper divisors (1).

36968819 is an equidigital number, since it uses as much as digits as its factorization.

36968819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 50.

The square root of 36968819 is about 6080.1989276668. The cubic root of 36968819 is about 333.1285534436.

The spelling of 36968819 in words is "thirty-six million, nine hundred sixty-eight thousand, eight hundred nineteen".