19537414241 has 2 divisors, whose sum is σ = 19537414242. Its totient is φ = 19537414240.

The previous prime is 19537414213. The next prime is 19537414249. The reversal of 19537414241 is 14241473591.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11909138641 + 7628275600 = 109129^2 + 87340^2 .

It is a cyclic number.

It is not a de Polignac number, because 19537414241 - 2¹⁴ = 19537397857 is a prime.

It is not a weakly prime, because it can be changed into another prime (19537414249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9768707120 + 9768707121.

It is an arithmetic number, because the mean of its divisors is an integer number (9768707121).

Almost surely, 2^19537414241 is an apocalyptic number.

It is an amenable number.

19537414241 is a deficient number, since it is larger than the sum of its proper divisors (1).

19537414241 is an equidigital number, since it uses as much as digits as its factorization.

19537414241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The spelling of 19537414241 in words is "nineteen billion, five hundred thirty-seven million, four hundred fourteen thousand, two hundred forty-one".