29513040685 has 4 divisors (see below), whose sum is σ = 35415648828. Its totient is φ = 23610432544.

The previous prime is 29513040643. The next prime is 29513040691. The reversal of 29513040685 is 58604031592.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15071490756 + 14441549929 = 122766^2 + 120173^2 .

It is a cyclic number.

It is not a de Polignac number, because 29513040685 - 2¹⁵ = 29513007917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2951304064 + ... + 2951304073.

It is an arithmetic number, because the mean of its divisors is an integer number (8853912207).

Almost surely, 2^29513040685 is an apocalyptic number.

It is an amenable number.

29513040685 is a deficient number, since it is larger than the sum of its proper divisors (5902608143).

29513040685 is an equidigital number, since it uses as much as digits as its factorization.

29513040685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5902608142.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 29513040685 in words is "twenty-nine billion, five hundred thirteen million, forty thousand, six hundred eighty-five".