1064623515742 has 16 divisors (see below), whose sum is σ = 1681109706960. Its totient is φ = 504257787072.

The previous prime is 1064623515719. The next prime is 1064623515749. The reversal of 1064623515742 is 2475153264601.

1064623515742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1064623515742² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1064623515692 and 1064623515701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064623515749) 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, 523153 + ... + 1550140.

It is an arithmetic number, because the mean of its divisors is an integer number (105069356685).

Almost surely, 2^{1064623515742} is an apocalyptic number.

1064623515742 is a deficient number, since it is larger than the sum of its proper divisors (616486191218).

1064623515742 is a wasteful number, since it uses less digits than its factorization.

1064623515742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086827.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 1064623515742 in words is "one trillion, sixty-four billion, six hundred twenty-three million, five hundred fifteen thousand, seven hundred forty-two".