1064740691245 has 48 divisors (see below), whose sum is σ = 1605239435520. Its totient is φ = 663648099840.

The previous prime is 1064740691227. The next prime is 1064740691249. The reversal of 1064740691245 is 5421960474601.

It is not a de Polignac number, because 1064740691245 - 2²¹ = 1064738594093 is a prime.

It is a super-2 number, since 2×1064740691245² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064740691249) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52262421 + ... + 52282789.

It is an arithmetic number, because the mean of its divisors is an integer number (33442488240).

Almost surely, 2^{1064740691245} is an apocalyptic number.

It is an amenable number.

1064740691245 is a deficient number, since it is larger than the sum of its proper divisors (540498744275).

1064740691245 is a wasteful number, since it uses less digits than its factorization.

1064740691245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32746 (or 32735 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 1064740691245 in words is "one trillion, sixty-four billion, seven hundred forty million, six hundred ninety-one thousand, two hundred forty-five".