60436997749 has 4 divisors (see below), whose sum is σ = 60459526336. Its totient is φ = 60414469164.

The previous prime is 60436997741. The next prime is 60436997771. The reversal of 60436997749 is 94779963406.

60436997749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94779963406 = 2 ⋅47389981703.

It is a cyclic number.

It is not a de Polignac number, because 60436997749 - 2³ = 60436997741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60436997741) 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, 11260269 + ... + 11265634.

It is an arithmetic number, because the mean of its divisors is an integer number (15114881584).

Almost surely, 2^60436997749 is an apocalyptic number.

It is an amenable number.

60436997749 is a deficient number, since it is larger than the sum of its proper divisors (22528587).

60436997749 is a wasteful number, since it uses less digits than its factorization.

60436997749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22528586.

The product of its (nonzero) digits is 61725888, while the sum is 64.

The spelling of 60436997749 in words is "sixty billion, four hundred thirty-six million, nine hundred ninety-seven thousand, seven hundred forty-nine".