1988526041 has 2 divisors, whose sum is σ = 1988526042. Its totient is φ = 1988526040.

The previous prime is 1988526017. The next prime is 1988526049. The reversal of 1988526041 is 1406258891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1557091600 + 431434441 = 39460^2 + 20771^2 .

It is a cyclic number.

It is not a de Polignac number, because 1988526041 - 2⁶ = 1988525977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1988525983 and 1988526001.

It is not a weakly prime, because it can be changed into another prime (1988526049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 994263020 + 994263021.

It is an arithmetic number, because the mean of its divisors is an integer number (994263021).

Almost surely, 2^1988526041 is an apocalyptic number.

It is an amenable number.

1988526041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1988526041 is an equidigital number, since it uses as much as digits as its factorization.

1988526041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 1988526041 is about 44592.8922699571. The cubic root of 1988526041 is about 1257.5070472197.

The spelling of 1988526041 in words is "one billion, nine hundred eighty-eight million, five hundred twenty-six thousand, forty-one".