7525563690 has 16 divisors (see below), whose sum is σ = 18061352928. Its totient is φ = 2006816976.

The previous prime is 7525563679. The next prime is 7525563691. The reversal of 7525563690 is 963655257.

It is a super-2 number, since 2×7525563690² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7525563691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125426032 + ... + 125426091.

It is an arithmetic number, because the mean of its divisors is an integer number (1128834558).

Almost surely, 2^7525563690 is an apocalyptic number.

7525563690 is an abundant number, since it is smaller than the sum of its proper divisors (10535789238).

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

7525563690 is a wasteful number, since it uses less digits than its factorization.

7525563690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250852133.

The product of its (nonzero) digits is 1701000, while the sum is 48.

The square root of 7525563690 is about 86750.0068587894. The cubic root of 7525563690 is about 1959.6552644077.

The spelling of 7525563690 in words is "seven billion, five hundred twenty-five million, five hundred sixty-three thousand, six hundred ninety".