10101726394 has 4 divisors (see below), whose sum is σ = 15152589594. Its totient is φ = 5050863196.

The previous prime is 10101726389. The next prime is 10101726413. The reversal of 10101726394 is 49362710101.

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

It can be written as a sum of positive squares in only one way, i.e., 8003628369 + 2098098025 = 89463^2 + 45805^2 .

It is a super-2 number, since 2×10101726394² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525431597 + ... + 2525431600.

Almost surely, 2^10101726394 is an apocalyptic number.

10101726394 is a deficient number, since it is larger than the sum of its proper divisors (5050863200).

10101726394 is an equidigital number, since it uses as much as digits as its factorization.

10101726394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050863199.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 10101726394 in words is "ten billion, one hundred one million, seven hundred twenty-six thousand, three hundred ninety-four".