352140640987 has 2 divisors, whose sum is σ = 352140640988. Its totient is φ = 352140640986.

The previous prime is 352140640979. The next prime is 352140641057. The reversal of 352140640987 is 789046041253.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 352140640987 - 2³ = 352140640979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 352140640987.

It is not a weakly prime, because it can be changed into another prime (352140640937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176070320493 + 176070320494.

It is an arithmetic number, because the mean of its divisors is an integer number (176070320494).

It is a 1-persistent number, because it is pandigital, but 2⋅352140640987 = 704281281974 is not.

Almost surely, 2^352140640987 is an apocalyptic number.

352140640987 is a deficient number, since it is larger than the sum of its proper divisors (1).

352140640987 is an equidigital number, since it uses as much as digits as its factorization.

352140640987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 352140640987 in words is "three hundred fifty-two billion, one hundred forty million, six hundred forty thousand, nine hundred eighty-seven".