420315234451537 has 2 divisors, whose sum is σ = 420315234451538. Its totient is φ = 420315234451536.

The previous prime is 420315234451501. The next prime is 420315234451547. The reversal of 420315234451537 is 735154432513024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398464835789056 + 21850398662481 = 19961584^2 + 4674441^2 .

It is a cyclic number.

It is not a de Polignac number, because 420315234451537 - 2¹⁹ = 420315233927249 is a prime.

It is a super-3 number, since 3×420315234451537³ (a number of 45 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (420315234451547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210157617225768 + 210157617225769.

It is an arithmetic number, because the mean of its divisors is an integer number (210157617225769).

Almost surely, 2^{420315234451537} is an apocalyptic number.

It is an amenable number.

420315234451537 is a deficient number, since it is larger than the sum of its proper divisors (1).

420315234451537 is an equidigital number, since it uses as much as digits as its factorization.

420315234451537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048000, while the sum is 49.

The spelling of 420315234451537 in words is "four hundred twenty trillion, three hundred fifteen billion, two hundred thirty-four million, four hundred fifty-one thousand, five hundred thirty-seven".