240225688691 has 2 divisors, whose sum is σ = 240225688692. Its totient is φ = 240225688690.

The previous prime is 240225688631. The next prime is 240225688721. The reversal of 240225688691 is 196886522042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240225688691 - 2³⁰ = 239151946867 is a prime.

It is a super-3 number, since 3×240225688691³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (240225688601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120112844345 + 120112844346.

It is an arithmetic number, because the mean of its divisors is an integer number (120112844346).

Almost surely, 2^240225688691 is an apocalyptic number.

240225688691 is a deficient number, since it is larger than the sum of its proper divisors (1).

240225688691 is an equidigital number, since it uses as much as digits as its factorization.

240225688691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 240225688691 in words is "two hundred forty billion, two hundred twenty-five million, six hundred eighty-eight thousand, six hundred ninety-one".