7613394340644 has 189 divisors, whose sum is σ = 20545383327651. Its totient is φ = 2467420989120.

The previous prime is 7613394340633. The next prime is 7613394340763. The reversal of 7613394340644 is 4460434933167.

The square root of 7613394340644 is 2759238.

It is a perfect power (a square), and thus also a powerful number.

7613394340644 is a `hidden beast` number, since 76 + 133 + 9 + 434 + 0 + 6 + 4 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1206987876900 + 6406406463744 = 1098630^2 + 2531088^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 5512956834 + ... + 5512958214.

Almost surely, 2^{7613394340644} is an apocalyptic number.

7613394340644 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

7613394340644 is the 2759238-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7613394340644

7613394340644 is an abundant number, since it is smaller than the sum of its proper divisors (12931988987007).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7613394340644 is an frugal number, since it uses more digits than its factorization.

7613394340644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 54.

The spelling of 7613394340644 in words is "seven trillion, six hundred thirteen billion, three hundred ninety-four million, three hundred forty thousand, six hundred forty-four".