353475574349 has 2 divisors, whose sum is σ = 353475574350. Its totient is φ = 353475574348.

The previous prime is 353475574301. The next prime is 353475574357. The reversal of 353475574349 is 943475574353.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 353465920900 + 9653449 = 594530^2 + 3107^2 .

It is a cyclic number.

It is not a de Polignac number, because 353475574349 - 2²⁰ = 353474525773 is a prime.

It is a super-2 number, since 2×353475574349² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (353475571349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176737787174 + 176737787175.

It is an arithmetic number, because the mean of its divisors is an integer number (176737787175).

Almost surely, 2^353475574349 is an apocalyptic number.

It is an amenable number.

353475574349 is a deficient number, since it is larger than the sum of its proper divisors (1).

353475574349 is an equidigital number, since it uses as much as digits as its factorization.

353475574349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256000, while the sum is 59.

The spelling of 353475574349 in words is "three hundred fifty-three billion, four hundred seventy-five million, five hundred seventy-four thousand, three hundred forty-nine".