354504355353431 has 2 divisors, whose sum is σ = 354504355353432. Its totient is φ = 354504355353430.

The previous prime is 354504355353403. The next prime is 354504355353433. The reversal of 354504355353431 is 134353553405453.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354504355353431 is a prime.

It is a super-2 number, since 2×354504355353431² (a number of 30 digits) contains 22 as substring.

Together with 354504355353433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354504355353433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177252177676715 + 177252177676716.

It is an arithmetic number, because the mean of its divisors is an integer number (177252177676716).

Almost surely, 2^{354504355353431} is an apocalyptic number.

354504355353431 is a deficient number, since it is larger than the sum of its proper divisors (1).

354504355353431 is an equidigital number, since it uses as much as digits as its factorization.

354504355353431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600000, while the sum is 53.

The spelling of 354504355353431 in words is "three hundred fifty-four trillion, five hundred four billion, three hundred fifty-five million, three hundred fifty-three thousand, four hundred thirty-one".