354068520337 has 4 divisors (see below), whose sum is σ = 404649737536. Its totient is φ = 303487303140.

The previous prime is 354068520313. The next prime is 354068520343. The reversal of 354068520337 is 733025860453.

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, and also an emirpimes, since its reverse is a distinct semiprime: 733025860453 = 18521 ⋅39578093.

It is not a de Polignac number, because 354068520337 - 2⁷ = 354068520209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354068520397) 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, 25290608589 + ... + 25290608602.

It is an arithmetic number, because the mean of its divisors is an integer number (101162434384).

Almost surely, 2^354068520337 is an apocalyptic number.

It is an amenable number.

354068520337 is a deficient number, since it is larger than the sum of its proper divisors (50581217199).

354068520337 is an equidigital number, since it uses as much as digits as its factorization.

354068520337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50581217198.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 354068520337 in words is "three hundred fifty-four billion, sixty-eight million, five hundred twenty thousand, three hundred thirty-seven".