7251312650536 has 8 divisors (see below), whose sum is σ = 13596211219770. Its totient is φ = 3625656325264.

The previous prime is 7251312650459. The next prime is 7251312650539. The reversal of 7251312650536 is 6350562131527.

It can be written as a sum of positive squares in only one way, i.e., 6937481888100 + 313830762436 = 2633910^2 + 560206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×7251312650536² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7251312650539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453207040651 + ... + 453207040666.

Almost surely, 2^{7251312650536} is an apocalyptic number.

It is an amenable number.

7251312650536 is a deficient number, since it is larger than the sum of its proper divisors (6344898569234).

7251312650536 is a wasteful number, since it uses less digits than its factorization.

7251312650536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906414081323 (or 906414081319 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 7251312650536 in words is "seven trillion, two hundred fifty-one billion, three hundred twelve million, six hundred fifty thousand, five hundred thirty-six".