36919901 has 2 divisors, whose sum is σ = 36919902. Its totient is φ = 36919900.

The previous prime is 36919889. The next prime is 36919921. The reversal of 36919901 is 10991963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21631801 + 15288100 = 4651^2 + 3910^2 .

It is a cyclic number.

It is not a de Polignac number, because 36919901 - 2¹⁰ = 36918877 is a prime.

It is a Chen prime.

It is equal to p_2256986 and since 36919901 and 2256986 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36919921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18459950 + 18459951.

It is an arithmetic number, because the mean of its divisors is an integer number (18459951).

Almost surely, 2^36919901 is an apocalyptic number.

It is an amenable number.

36919901 is a deficient number, since it is larger than the sum of its proper divisors (1).

36919901 is an equidigital number, since it uses as much as digits as its factorization.

36919901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 36919901 is about 6076.1748658181. The cubic root of 36919901 is about 332.9815541069.

The spelling of 36919901 in words is "thirty-six million, nine hundred nineteen thousand, nine hundred one".