2045045407 has 2 divisors, whose sum is σ = 2045045408. Its totient is φ = 2045045406.

The previous prime is 2045045393. The next prime is 2045045441. The reversal of 2045045407 is 7045405402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2045045407 - 2⁷ = 2045045279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045045707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022522703 + 1022522704.

It is an arithmetic number, because the mean of its divisors is an integer number (1022522704).

Almost surely, 2^2045045407 is an apocalyptic number.

2045045407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045045407 is an equidigital number, since it uses as much as digits as its factorization.

2045045407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 2045045407 is about 45222.1782646524. The cubic root of 2045045407 is about 1269.3098544283.

The spelling of 2045045407 in words is "two billion, forty-five million, forty-five thousand, four hundred seven".