1634705868963 has 8 divisors (see below), whose sum is σ = 2179626742800. Its totient is φ = 1089794453888.

The previous prime is 1634705868949. The next prime is 1634705869003. The reversal of 1634705868963 is 3698685074361.

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 1634705868963 - 2⁵ = 1634705868931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1634705868894 and 1634705868903.

It is not an unprimeable number, because it can be changed into a prime (1634705864963) 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, 1951098 + ... + 2660111.

It is an arithmetic number, because the mean of its divisors is an integer number (272453342850).

Almost surely, 2^{1634705868963} is an apocalyptic number.

1634705868963 is a deficient number, since it is larger than the sum of its proper divisors (544920873837).

1634705868963 is a wasteful number, since it uses less digits than its factorization.

1634705868963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4729381.

The product of its (nonzero) digits is 156764160, while the sum is 66.

The spelling of 1634705868963 in words is "one trillion, six hundred thirty-four billion, seven hundred five million, eight hundred sixty-eight thousand, nine hundred sixty-three".