36038691457 has 4 divisors (see below), whose sum is σ = 36039395140. Its totient is φ = 36037987776.

The previous prime is 36038691433. The next prime is 36038691463. The reversal of 36038691457 is 75419683063.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75419683063 = 241 ⋅312944743.

It can be written as a sum of positive squares in 2 ways, for example, as 3779298576 + 32259392881 = 61476^2 + 179609^2 .

It is a cyclic number.

It is not a de Polignac number, because 36038691457 - 2¹¹ = 36038689409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36038691407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268428 + ... + 379645.

It is an arithmetic number, because the mean of its divisors is an integer number (9009848785).

Almost surely, 2^36038691457 is an apocalyptic number.

It is an amenable number.

36038691457 is a deficient number, since it is larger than the sum of its proper divisors (703683).

36038691457 is an equidigital number, since it uses as much as digits as its factorization.

36038691457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703682.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 36038691457 in words is "thirty-six billion, thirty-eight million, six hundred ninety-one thousand, four hundred fifty-seven".