10401642694 has 4 divisors (see below), whose sum is σ = 15602464044. Its totient is φ = 5200821346.

The previous prime is 10401642689. The next prime is 10401642697. The reversal of 10401642694 is 49624610401.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10401642697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600410672 + ... + 2600410675.

It is an arithmetic number, because the mean of its divisors is an integer number (3900616011).

Almost surely, 2^10401642694 is an apocalyptic number.

10401642694 is a deficient number, since it is larger than the sum of its proper divisors (5200821350).

10401642694 is an equidigital number, since it uses as much as digits as its factorization.

10401642694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5200821349.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 10401642694 in words is "ten billion, four hundred one million, six hundred forty-two thousand, six hundred ninety-four".