363428299261 has 16 divisors (see below), whose sum is σ = 367510590720. Its totient is φ = 359376192000.

The previous prime is 363428299249. The next prime is 363428299271. The reversal of 363428299261 is 162992824363.

It is a cyclic number.

It is not a de Polignac number, because 363428299261 - 2⁵ = 363428299229 is a prime.

It is a super-2 number, since 2×363428299261² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363428299271) 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, 20207305 + ... + 20225281.

It is an arithmetic number, because the mean of its divisors is an integer number (22969411920).

Almost surely, 2^363428299261 is an apocalyptic number.

It is an amenable number.

363428299261 is a deficient number, since it is larger than the sum of its proper divisors (4082291459).

363428299261 is a wasteful number, since it uses less digits than its factorization.

363428299261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18804.

The product of its digits is 6718464, while the sum is 55.

The spelling of 363428299261 in words is "three hundred sixty-three billion, four hundred twenty-eight million, two hundred ninety-nine thousand, two hundred sixty-one".