729370657023 has 16 divisors (see below), whose sum is σ = 1023747636480. Its totient is φ = 460623867264.

The previous prime is 729370657021. The next prime is 729370657039. The reversal of 729370657023 is 320756073927.

729370657023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 854032²-1.

It is not a de Polignac number, because 729370657023 - 2¹ = 729370657021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729370657021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427015 + ... + 1281047.

It is an arithmetic number, because the mean of its divisors is an integer number (63984227280).

Almost surely, 2^729370657023 is an apocalyptic number.

729370657023 is a deficient number, since it is larger than the sum of its proper divisors (294376979457).

729370657023 is a wasteful number, since it uses less digits than its factorization.

729370657023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869038.

The product of its (nonzero) digits is 3333960, while the sum is 51.

The spelling of 729370657023 in words is "seven hundred twenty-nine billion, three hundred seventy million, six hundred fifty-seven thousand, twenty-three".