2045920466237 has 2 divisors, whose sum is σ = 2045920466238. Its totient is φ = 2045920466236.

The previous prime is 2045920466209. The next prime is 2045920466243. The reversal of 2045920466237 is 7326640295402.

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., 2033535892441 + 12384573796 = 1426021^2 + 111286^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045920466237 - 2¹² = 2045920462141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045920466207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022960233118 + 1022960233119.

It is an arithmetic number, because the mean of its divisors is an integer number (1022960233119).

Almost surely, 2^{2045920466237} is an apocalyptic number.

It is an amenable number.

2045920466237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045920466237 is an equidigital number, since it uses as much as digits as its factorization.

2045920466237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 2045920466237 in words is "two trillion, forty-five billion, nine hundred twenty million, four hundred sixty-six thousand, two hundred thirty-seven".