10261490869 has 16 divisors (see below), whose sum is σ = 11971168000. Its totient is φ = 8792319312.

The previous prime is 10261490857. The next prime is 10261490879. The reversal of 10261490869 is 96809416201.

It is a happy number.

It is not a de Polignac number, because 10261490869 - 2²¹ = 10259393717 is a prime.

It is a super-2 number, since 2×10261490869² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10261490839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1639504 + ... + 1645750.

It is an arithmetic number, because the mean of its divisors is an integer number (748198000).

Almost surely, 2^10261490869 is an apocalyptic number.

It is an amenable number.

10261490869 is a deficient number, since it is larger than the sum of its proper divisors (1709677131).

10261490869 is an frugal number, since it uses more digits than its factorization.

10261490869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11057 (or 11043 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 10261490869 in words is "ten billion, two hundred sixty-one million, four hundred ninety thousand, eight hundred sixty-nine".