36721547741 has 4 divisors (see below), whose sum is σ = 38654260800. Its totient is φ = 34788834684.

The previous prime is 36721547717. The next prime is 36721547749. The reversal of 36721547741 is 14774512763.

36721547741 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: 14774512763 = 23369 ⋅632227.

It is a cyclic number.

It is not a de Polignac number, because 36721547741 - 2¹⁰ = 36721546717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36721547749) 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, 966356501 + ... + 966356538.

It is an arithmetic number, because the mean of its divisors is an integer number (9663565200).

Almost surely, 2^36721547741 is an apocalyptic number.

It is an amenable number.

36721547741 is a deficient number, since it is larger than the sum of its proper divisors (1932713059).

36721547741 is a wasteful number, since it uses less digits than its factorization.

36721547741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932713058.

The product of its digits is 987840, while the sum is 47.

The spelling of 36721547741 in words is "thirty-six billion, seven hundred twenty-one million, five hundred forty-seven thousand, seven hundred forty-one".