525670868746 has 4 divisors (see below), whose sum is σ = 788506303122. Its totient is φ = 262835434372.

The previous prime is 525670868693. The next prime is 525670868761. The reversal of 525670868746 is 647868076525.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 484952068225 + 40718800521 = 696385^2 + 201789^2 .

It is a super-2 number, since 2×525670868746² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131417717185 + ... + 131417717188.

Almost surely, 2^525670868746 is an apocalyptic number.

525670868746 is a deficient number, since it is larger than the sum of its proper divisors (262835434376).

525670868746 is a wasteful number, since it uses less digits than its factorization.

525670868746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262835434375.

The product of its (nonzero) digits is 135475200, while the sum is 64.

The spelling of 525670868746 in words is "five hundred twenty-five billion, six hundred seventy million, eight hundred sixty-eight thousand, seven hundred forty-six".