36471949 has 2 divisors, whose sum is σ = 36471950. Its totient is φ = 36471948.

The previous prime is 36471947. The next prime is 36471977. The reversal of 36471949 is 94917463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23833924 + 12638025 = 4882^2 + 3555^2 .

It is a cyclic number.

It is not a de Polignac number, because 36471949 - 2¹ = 36471947 is a prime.

Together with 36471947, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36471947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18235974 + 18235975.

It is an arithmetic number, because the mean of its divisors is an integer number (18235975).

Almost surely, 2^36471949 is an apocalyptic number.

It is an amenable number.

36471949 is a deficient number, since it is larger than the sum of its proper divisors (1).

36471949 is an equidigital number, since it uses as much as digits as its factorization.

36471949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 43.

The square root of 36471949 is about 6039.2010233143. The cubic root of 36471949 is about 331.6293736284.

It can be divided in two parts, 364719 and 49, that multiplied together give a triangular number (17871231 = T₅₉₇₈).

The spelling of 36471949 in words is "thirty-six million, four hundred seventy-one thousand, nine hundred forty-nine".