2249949077 has 2 divisors, whose sum is σ = 2249949078. Its totient is φ = 2249949076.

The previous prime is 2249949073. The next prime is 2249949113. The reversal of 2249949077 is 7709499422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1678213156 + 571735921 = 40966^2 + 23911^2 .

It is a cyclic number.

It is not a de Polignac number, because 2249949077 - 2² = 2249949073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2249949073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124974538 + 1124974539.

It is an arithmetic number, because the mean of its divisors is an integer number (1124974539).

Almost surely, 2^2249949077 is an apocalyptic number.

It is an amenable number.

2249949077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2249949077 is an equidigital number, since it uses as much as digits as its factorization.

2249949077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 2249949077 is about 47433.6281239376. The cubic root of 2249949077 is about 1310.3608113992.

The spelling of 2249949077 in words is "two billion, two hundred forty-nine million, nine hundred forty-nine thousand, seventy-seven".