10643701781242 has 32 divisors (see below), whose sum is σ = 16123662230400. Its totient is φ = 5269399349760.

The previous prime is 10643701781227. The next prime is 10643701781257. The reversal of 10643701781242 is 24218710734601.

It is an interprime number because it is at equal distance from previous prime (10643701781227) and next prime (10643701781257).

It is a super-2 number, since 2×10643701781242² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10643701781192 and 10643701781201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 933734259 + ... + 933745657.

It is an arithmetic number, because the mean of its divisors is an integer number (503864444700).

Almost surely, 2^{10643701781242} is an apocalyptic number.

10643701781242 is a deficient number, since it is larger than the sum of its proper divisors (5479960449158).

10643701781242 is a wasteful number, since it uses less digits than its factorization.

10643701781242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22038.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 10643701781242 in words is "ten trillion, six hundred forty-three billion, seven hundred one million, seven hundred eighty-one thousand, two hundred forty-two".