10397218526 has 12 divisors (see below), whose sum is σ = 16115150736. Its totient is φ = 5030911260.

The previous prime is 10397218511. The next prime is 10397218541. The reversal of 10397218526 is 62581279301.

It is an interprime number because it is at equal distance from previous prime (10397218511) and next prime (10397218541).

It is a super-2 number, since 2×10397218526² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2702870 + ... + 2706713.

It is an arithmetic number, because the mean of its divisors is an integer number (1342929228).

Almost surely, 2^10397218526 is an apocalyptic number.

10397218526 is a deficient number, since it is larger than the sum of its proper divisors (5717932210).

10397218526 is an equidigital number, since it uses as much as digits as its factorization.

10397218526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5409647 (or 5409616 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 10397218526 in words is "ten billion, three hundred ninety-seven million, two hundred eighteen thousand, five hundred twenty-six".