202142741887 has 2 divisors, whose sum is σ = 202142741888. Its totient is φ = 202142741886.

The previous prime is 202142741869. The next prime is 202142741897. The reversal of 202142741887 is 788147241202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202142741887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202142741837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101071370943 + 101071370944.

It is an arithmetic number, because the mean of its divisors is an integer number (101071370944).

Almost surely, 2^202142741887 is an apocalyptic number.

202142741887 is a deficient number, since it is larger than the sum of its proper divisors (1).

202142741887 is an equidigital number, since it uses as much as digits as its factorization.

202142741887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 401408, while the sum is 46.

The spelling of 202142741887 in words is "two hundred two billion, one hundred forty-two million, seven hundred forty-one thousand, eight hundred eighty-seven".