10013661634 has 4 divisors (see below), whose sum is σ = 15020492454. Its totient is φ = 5006830816.

The previous prime is 10013661569. The next prime is 10013661643. The reversal of 10013661634 is 43616631001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43616631001 = 211 ⋅206713891.

It can be written as a sum of positive squares in only one way, i.e., 8027622409 + 1986039225 = 89597^2 + 44565^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10013661596 and 10013661605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2503415407 + ... + 2503415410.

Almost surely, 2^10013661634 is an apocalyptic number.

10013661634 is a deficient number, since it is larger than the sum of its proper divisors (5006830820).

10013661634 is an equidigital number, since it uses as much as digits as its factorization.

10013661634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006830819.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 10013661634 in words is "ten billion, thirteen million, six hundred sixty-one thousand, six hundred thirty-four".