357949219805 has 16 divisors (see below), whose sum is σ = 444372732720. Its totient is φ = 276471240192.

The previous prime is 357949219757. The next prime is 357949219813. The reversal of 357949219805 is 508912949753.

It can be written as a sum of positive squares in 8 ways, for example, as 38161231801 + 319787988004 = 195349^2 + 565498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-357949219805 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3660407 + ... + 3756923.

It is an arithmetic number, because the mean of its divisors is an integer number (27773295795).

Almost surely, 2^357949219805 is an apocalyptic number.

It is an amenable number.

357949219805 is a deficient number, since it is larger than the sum of its proper divisors (86423512915).

357949219805 is a wasteful number, since it uses less digits than its factorization.

357949219805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122128.

The product of its (nonzero) digits is 24494400, while the sum is 62.

The spelling of 357949219805 in words is "three hundred fifty-seven billion, nine hundred forty-nine million, two hundred nineteen thousand, eight hundred five".