36891269041 has 27 divisors (see below), whose sum is σ = 42843058713. Its totient is φ = 31737812040.

The previous prime is 36891269039. The next prime is 36891269057. The reversal of 36891269041 is 14096219863.

It is a happy number.

The square root of 36891269041 is 192071.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 36891269041 - 2¹ = 36891269039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36891269021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 40142380 + ... + 40143298.

Almost surely, 2^36891269041 is an apocalyptic number.

36891269041 is the 192071-st square number.

36891269041 is the 96036-th centered octagonal number.

It is an amenable number.

36891269041 is a deficient number, since it is larger than the sum of its proper divisors (5951789672).

36891269041 is an frugal number, since it uses more digits than its factorization.

36891269041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898 (or 949 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

Multiplying 36891269041 by its sum of digits (49), we get a square (1807672183009 = 1344497²).

The spelling of 36891269041 in words is "thirty-six billion, eight hundred ninety-one million, two hundred sixty-nine thousand, forty-one".