2045421479 has 2 divisors, whose sum is σ = 2045421480. Its totient is φ = 2045421478.

The previous prime is 2045421437. The next prime is 2045421541. The reversal of 2045421479 is 9741245402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045421479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045421379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022710739 + 1022710740.

It is an arithmetic number, because the mean of its divisors is an integer number (1022710740).

Almost surely, 2^2045421479 is an apocalyptic number.

2045421479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045421479 is an equidigital number, since it uses as much as digits as its factorization.

2045421479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 2045421479 is about 45226.3361217775. The cubic root of 2045421479 is about 1269.3876559018.

The spelling of 2045421479 in words is "two billion, forty-five million, four hundred twenty-one thousand, four hundred seventy-nine".