36961854729 has 4 divisors (see below), whose sum is σ = 49282472976. Its totient is φ = 24641236484.

The previous prime is 36961854701. The next prime is 36961854751. The reversal of 36961854729 is 92745816963.

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.

It is a cyclic number.

It is not a de Polignac number, because 36961854729 - 2³² = 32666887433 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (36961854779) 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, 6160309119 + ... + 6160309124.

It is an arithmetic number, because the mean of its divisors is an integer number (12320618244).

Almost surely, 2^36961854729 is an apocalyptic number.

It is an amenable number.

36961854729 is a deficient number, since it is larger than the sum of its proper divisors (12320618247).

36961854729 is a wasteful number, since it uses less digits than its factorization.

36961854729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12320618246.

The product of its digits is 19595520, while the sum is 60.

The spelling of 36961854729 in words is "thirty-six billion, nine hundred sixty-one million, eight hundred fifty-four thousand, seven hundred twenty-nine".