634474170540401 has 32 divisors (see below), whose sum is σ = 641585892372480. Its totient is φ = 627416752326336.

The previous prime is 634474170540391. The next prime is 634474170540409. The reversal of 634474170540401 is 104045071474436.

It is a cyclic number.

It is not a de Polignac number, because 634474170540401 - 2⁶ = 634474170540337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 634474170540401.

It is not an unprimeable number, because it can be changed into a prime (634474170540409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27344477066 + ... + 27344500268.

It is an arithmetic number, because the mean of its divisors is an integer number (20049559136640).

Almost surely, 2^{634474170540401} is an apocalyptic number.

It is an amenable number.

634474170540401 is a deficient number, since it is larger than the sum of its proper divisors (7111721832079).

634474170540401 is a wasteful number, since it uses less digits than its factorization.

634474170540401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25013.

The product of its (nonzero) digits is 4515840, while the sum is 50.

The spelling of 634474170540401 in words is "six hundred thirty-four trillion, four hundred seventy-four billion, one hundred seventy million, five hundred forty thousand, four hundred one".