10597409890 has 16 divisors (see below), whose sum is σ = 19435250808. Its totient is φ = 4158983296.

The previous prime is 10597409881. The next prime is 10597409897. The reversal of 10597409890 is 9890479501.

It can be written as a sum of positive squares in 4 ways, for example, as 8353777201 + 2243632689 = 91399^2 + 47367^2 .

It is a super-2 number, since 2×10597409890² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10597409897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9997027 + ... + 9998086.

Almost surely, 2^10597409890 is an apocalyptic number.

10597409890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10597409890 is a deficient number, since it is larger than the sum of its proper divisors (8837840918).

10597409890 is a wasteful number, since it uses less digits than its factorization.

10597409890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19995173.

The product of its (nonzero) digits is 816480, while the sum is 52.

The spelling of 10597409890 in words is "ten billion, five hundred ninety-seven million, four hundred nine thousand, eight hundred ninety".