1741980421 has 2 divisors, whose sum is σ = 1741980422. Its totient is φ = 1741980420.

The previous prime is 1741980397. The next prime is 1741980433. The reversal of 1741980421 is 1240891471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1710732321 + 31248100 = 41361^2 + 5590^2 .

It is an emirp because it is prime and its reverse (1240891471) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1741980421 - 2²⁷ = 1607762693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1741980481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 870990210 + 870990211.

It is an arithmetic number, because the mean of its divisors is an integer number (870990211).

Almost surely, 2^1741980421 is an apocalyptic number.

It is an amenable number.

1741980421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1741980421 is an equidigital number, since it uses as much as digits as its factorization.

1741980421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1741980421 is about 41737.0389582203. The cubic root of 1741980421 is about 1203.2275200442.

The spelling of 1741980421 in words is "one billion, seven hundred forty-one million, nine hundred eighty thousand, four hundred twenty-one".