90073214893 has 2 divisors, whose sum is σ = 90073214894. Its totient is φ = 90073214892.

The previous prime is 90073214879. The next prime is 90073214923. The reversal of 90073214893 is 39841237009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90073214884 + 9 = 300122^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 90073214893 - 2¹³ = 90073206701 is a prime.

It is a super-2 number, since 2×90073214893² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90073214843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45036607446 + 45036607447.

It is an arithmetic number, because the mean of its divisors is an integer number (45036607447).

Almost surely, 2^90073214893 is an apocalyptic number.

It is an amenable number.

90073214893 is a deficient number, since it is larger than the sum of its proper divisors (1).

90073214893 is an equidigital number, since it uses as much as digits as its factorization.

90073214893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 90073214893 in words is "ninety billion, seventy-three million, two hundred fourteen thousand, eight hundred ninety-three".