201451050634 has 16 divisors (see below), whose sum is σ = 319999777416. Its totient is φ = 94786240000.

The previous prime is 201451050631. The next prime is 201451050641. The reversal of 201451050634 is 436050154102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 178950150625 + 22500900009 = 423025^2 + 150003^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201451050596 and 201451050605.

It is not an unprimeable number, because it can be changed into a prime (201451050631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214267 + ... + 669934.

Almost surely, 2^201451050634 is an apocalyptic number.

201451050634 is a deficient number, since it is larger than the sum of its proper divisors (118548726782).

201451050634 is a wasteful number, since it uses less digits than its factorization.

201451050634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890921.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 201451050634 in words is "two hundred one billion, four hundred fifty-one million, fifty thousand, six hundred thirty-four".