2949900493 has 2 divisors, whose sum is σ = 2949900494. Its totient is φ = 2949900492.

The previous prime is 2949900479. The next prime is 2949900509. The reversal of 2949900493 is 3940099492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2914056324 + 35844169 = 53982^2 + 5987^2 .

It is a cyclic number.

It is not a de Polignac number, because 2949900493 - 2¹⁷ = 2949769421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2949900413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1474950246 + 1474950247.

It is an arithmetic number, because the mean of its divisors is an integer number (1474950247).

Almost surely, 2^2949900493 is an apocalyptic number.

It is an amenable number.

2949900493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2949900493 is an equidigital number, since it uses as much as digits as its factorization.

2949900493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 2949900493 is about 54312.9864120912. The cubic root of 2949900493 is about 1434.1760161683.

The spelling of 2949900493 in words is "two billion, nine hundred forty-nine million, nine hundred thousand, four hundred ninety-three".