351145479619 has 4 divisors (see below), whose sum is σ = 383067795960. Its totient is φ = 319223163280.

The previous prime is 351145479583. The next prime is 351145479623. The reversal of 351145479619 is 916974541153.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 351145479619 - 2⁹ = 351145479107 is a prime.

It is a super-2 number, since 2×351145479619² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 351145479619.

It is not an unprimeable number, because it can be changed into a prime (351145471619) 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, 15961158154 + ... + 15961158175.

It is an arithmetic number, because the mean of its divisors is an integer number (95766948990).

Almost surely, 2^351145479619 is an apocalyptic number.

351145479619 is a deficient number, since it is larger than the sum of its proper divisors (31922316341).

351145479619 is a wasteful number, since it uses less digits than its factorization.

351145479619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31922316340.

The product of its digits is 4082400, while the sum is 55.

The spelling of 351145479619 in words is "three hundred fifty-one billion, one hundred forty-five million, four hundred seventy-nine thousand, six hundred nineteen".