10702109401 has 3 divisors (see below), whose sum is σ = 10702212853. Its totient is φ = 10702005950.

The previous prime is 10702109389. The next prime is 10702109441. The reversal of 10702109401 is 10490120701.

The square root of 10702109401 is 103451.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10490120701 = 193 ⋅54352957.

It is not a de Polignac number, because 10702109401 - 2²¹ = 10700012249 is a prime.

It is a super-2 number, since 2×10702109401² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10702109441) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 51726 + ... + 155176.

Almost surely, 2^10702109401 is an apocalyptic number.

10702109401 is the 103451-st square number.

10702109401 is the 51726-th centered octagonal number.

It is an amenable number.

10702109401 is a deficient number, since it is larger than the sum of its proper divisors (103452).

10702109401 is an frugal number, since it uses more digits than its factorization.

10702109401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206902 (or 103451 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

Multiplying 10702109401 by its sum of digits (25), we get a square (267552735025 = 517255²).

The spelling of 10702109401 in words is "ten billion, seven hundred two million, one hundred nine thousand, four hundred one".