2049195479 has 2 divisors, whose sum is σ = 2049195480. Its totient is φ = 2049195478.

The previous prime is 2049195461. The next prime is 2049195503. The reversal of 2049195479 is 9745919402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2049195479 is a prime.

It is a super-2 number, since 2×2049195479² = 8398404222308078882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2049195409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024597739 + 1024597740.

It is an arithmetic number, because the mean of its divisors is an integer number (1024597740).

Almost surely, 2^2049195479 is an apocalyptic number.

2049195479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049195479 is an equidigital number, since it uses as much as digits as its factorization.

2049195479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 2049195479 is about 45268.0403706633. The cubic root of 2049195479 is about 1270.1678904669.

The spelling of 2049195479 in words is "two billion, forty-nine million, one hundred ninety-five thousand, four hundred seventy-nine".