201346606543450 has 48 divisors (see below), whose sum is σ = 385728519216600. Its totient is φ = 78137389566720.

The previous prime is 201346606543441. The next prime is 201346606543499. The reversal of 201346606543450 is 54345606643102.

It can be written as a sum of positive squares in 12 ways, for example, as 22614333235209 + 178732273308241 = 4755453^2 + 13369079^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201346606543394 and 201346606543403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155279857 + ... + 156571156.

Almost surely, 2^{201346606543450} is an apocalyptic number.

201346606543450 is a deficient number, since it is larger than the sum of its proper divisors (184381912673150).

201346606543450 is a wasteful number, since it uses less digits than its factorization.

201346606543450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311851411 (or 311851406 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 201346606543450 in words is "two hundred one trillion, three hundred forty-six billion, six hundred six million, five hundred forty-three thousand, four hundred fifty".