10243645246251 has 6 divisors (see below), whose sum is σ = 14796376466820. Its totient is φ = 6829096830828.

The previous prime is 10243645246229. The next prime is 10243645246333. The reversal of 10243645246251 is 15264254634201.

It is a happy number.

10243645246251 is a `hidden beast` number, since 1 + 0 + 2 + 4 + 3 + 64 + 524 + 62 + 5 + 1 = 666.

It is not a de Polignac number, because 10243645246251 - 2¹³ = 10243645238059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10243645246197 and 10243645246206.

It is not an unprimeable number, because it can be changed into a prime (10243645241251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 569091402561 + ... + 569091402578.

It is an arithmetic number, because the mean of its divisors is an integer number (2466062744470).

Almost surely, 2^{10243645246251} is an apocalyptic number.

10243645246251 is a deficient number, since it is larger than the sum of its proper divisors (4552731220569).

10243645246251 is a wasteful number, since it uses less digits than its factorization.

10243645246251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138182805145 (or 1138182805142 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 10243645246251 in words is "ten trillion, two hundred forty-three billion, six hundred forty-five million, two hundred forty-six thousand, two hundred fifty-one".