729890279137 has 16 divisors (see below), whose sum is σ = 757082954320. Its totient is φ = 703100694528.

The previous prime is 729890279119. The next prime is 729890279147. The reversal of 729890279137 is 731972098927.

It can be written as a sum of positive squares in 8 ways, for example, as 394916723776 + 334973555361 = 628424^2 + 578769^2 .

It is a cyclic number.

It is not a de Polignac number, because 729890279137 - 2¹¹ = 729890277089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (729890279147) 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, 5161033 + ... + 5300569.

It is an arithmetic number, because the mean of its divisors is an integer number (47317684645).

Almost surely, 2^729890279137 is an apocalyptic number.

It is an amenable number.

729890279137 is a deficient number, since it is larger than the sum of its proper divisors (27192675183).

729890279137 is a wasteful number, since it uses less digits than its factorization.

729890279137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140980.

The product of its (nonzero) digits is 24004512, while the sum is 64.

The spelling of 729890279137 in words is "seven hundred twenty-nine billion, eight hundred ninety million, two hundred seventy-nine thousand, one hundred thirty-seven".