351680616453 has 4 divisors (see below), whose sum is σ = 468907488608. Its totient is φ = 234453744300.

The previous prime is 351680616439. The next prime is 351680616473. The reversal of 351680616453 is 354616086153.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 351680616453 - 2⁸ = 351680616197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351680616433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58613436073 + ... + 58613436078.

It is an arithmetic number, because the mean of its divisors is an integer number (117226872152).

Almost surely, 2^351680616453 is an apocalyptic number.

It is an amenable number.

351680616453 is a deficient number, since it is larger than the sum of its proper divisors (117226872155).

351680616453 is a wasteful number, since it uses less digits than its factorization.

351680616453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117226872154.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 351680616453 in words is "three hundred fifty-one billion, six hundred eighty million, six hundred sixteen thousand, four hundred fifty-three".