351542250643 has 4 divisors (see below), whose sum is σ = 355022867088. Its totient is φ = 348061634200.

The previous prime is 351542250613. The next prime is 351542250659. The reversal of 351542250643 is 346052245153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346052245153 = 101 ⋅3426259853.

It is a cyclic number.

It is not a de Polignac number, because 351542250643 - 2²¹ = 351540153491 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 351542250596 and 351542250605.

It is not an unprimeable number, because it can be changed into a prime (351542250613) 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, 1740308071 + ... + 1740308272.

It is an arithmetic number, because the mean of its divisors is an integer number (88755716772).

Almost surely, 2^351542250643 is an apocalyptic number.

351542250643 is a deficient number, since it is larger than the sum of its proper divisors (3480616445).

351542250643 is a wasteful number, since it uses less digits than its factorization.

351542250643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480616444.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 351542250643 its reverse (346052245153), we get a palindrome (697594495796).

The spelling of 351542250643 in words is "three hundred fifty-one billion, five hundred forty-two million, two hundred fifty thousand, six hundred forty-three".