351641798973 has 12 divisors (see below), whose sum is σ = 507937571388. Its totient is φ = 234423006720.

The previous prime is 351641798933. The next prime is 351641798983. The reversal of 351641798973 is 379897146153.

351641798973 is a `hidden beast` number, since 3 + 516 + 41 + 7 + 9 + 8 + 9 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 88638984729 + 263002814244 = 297723^2 + 512838^2 .

It is not a de Polignac number, because 351641798973 - 2¹² = 351641794877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 351641798973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351641798933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84511 + ... + 842867.

It is an arithmetic number, because the mean of its divisors is an integer number (42328130949).

Almost surely, 2^351641798973 is an apocalyptic number.

It is an amenable number.

351641798973 is a deficient number, since it is larger than the sum of its proper divisors (156295772415).

351641798973 is a wasteful number, since it uses less digits than its factorization.

351641798973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809884 (or 809881 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 63.

The spelling of 351641798973 in words is "three hundred fifty-one billion, six hundred forty-one million, seven hundred ninety-eight thousand, nine hundred seventy-three".