10309807450518 has 32 divisors (see below), whose sum is σ = 21422183983200. Its totient is φ = 3303858168576.

The previous prime is 10309807450517. The next prime is 10309807450519. The reversal of 10309807450518 is 81505470890301.

It is an interprime number because it is at equal distance from previous prime (10309807450517) and next prime (10309807450519).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10309807450517) 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, 127109173 + ... + 127190256.

It is an arithmetic number, because the mean of its divisors is an integer number (669443249475).

Almost surely, 2^{10309807450518} is an apocalyptic number.

10309807450518 is an abundant number, since it is smaller than the sum of its proper divisors (11112376532682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10309807450518 is a wasteful number, since it uses less digits than its factorization.

10309807450518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254299696.

The product of its (nonzero) digits is 1209600, while the sum is 51.

The spelling of 10309807450518 in words is "ten trillion, three hundred nine billion, eight hundred seven million, four hundred fifty thousand, five hundred eighteen".