634350613 has 8 divisors (see below), whose sum is σ = 705184256. Its totient is φ = 566665200.

The previous prime is 634350583. The next prime is 634350617. The reversal of 634350613 is 316053436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 634350613 - 2¹³ = 634342421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634350617) 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, 786633 + ... + 787438.

It is an arithmetic number, because the mean of its divisors is an integer number (88148032).

Almost surely, 2^634350613 is an apocalyptic number.

It is an amenable number.

634350613 is a deficient number, since it is larger than the sum of its proper divisors (70833643).

634350613 is a wasteful number, since it uses less digits than its factorization.

634350613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574115.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 634350613 is about 25186.3179722642. The cubic root of 634350613 is about 859.2307042411.

The spelling of 634350613 in words is "six hundred thirty-four million, three hundred fifty thousand, six hundred thirteen".