10618945642 has 16 divisors (see below), whose sum is σ = 16235586432. Its totient is φ = 5207764320.

The previous prime is 10618945633. The next prime is 10618945643. The reversal of 10618945642 is 24654981601.

It is a happy number.

It is a super-2 number, since 2×10618945642² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10618945592 and 10618945601.

It is not an unprimeable number, because it can be changed into a prime (10618945643) 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, 138834 + ... + 201277.

It is an arithmetic number, because the mean of its divisors is an integer number (1014724152).

Almost surely, 2^10618945642 is an apocalyptic number.

10618945642 is a deficient number, since it is larger than the sum of its proper divisors (5616640790).

10618945642 is a wasteful number, since it uses less digits than its factorization.

10618945642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340413.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 10618945642 in words is "ten billion, six hundred eighteen million, nine hundred forty-five thousand, six hundred forty-two".