641634635130053 has 16 divisors (see below), whose sum is σ = 658072143146880. Its totient is φ = 625440461990400.

The previous prime is 641634635130023. The next prime is 641634635130133. The reversal of 641634635130053 is 350031536436146.

It is a cyclic number.

It is not a de Polignac number, because 641634635130053 - 2³⁶ = 641565915653317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 641634635129983 and 641634635130010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641634635130023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132507800 + ... + 137264657.

It is an arithmetic number, because the mean of its divisors is an integer number (41129508946680).

Almost surely, 2^{641634635130053} is an apocalyptic number.

It is an amenable number.

641634635130053 is a deficient number, since it is larger than the sum of its proper divisors (16437508016827).

641634635130053 is a wasteful number, since it uses less digits than its factorization.

641634635130053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269772908.

The product of its (nonzero) digits is 6998400, while the sum is 50.

The spelling of 641634635130053 in words is "six hundred forty-one trillion, six hundred thirty-four billion, six hundred thirty-five million, one hundred thirty thousand, fifty-three".