1010049979 has 2 divisors, whose sum is σ = 1010049980. Its totient is φ = 1010049978.

The previous prime is 1010049977. The next prime is 1010050001. The reversal of 1010049979 is 9799400101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1010049979 - 2¹ = 1010049977 is a prime.

Together with 1010049977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1010049977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505024989 + 505024990.

It is an arithmetic number, because the mean of its divisors is an integer number (505024990).

Almost surely, 2^1010049979 is an apocalyptic number.

1010049979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010049979 is an equidigital number, since it uses as much as digits as its factorization.

1010049979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 1010049979 is about 31781.2834699922. The cubic root of 1010049979 is about 1003.3388327887.

The spelling of 1010049979 in words is "one billion, ten million, forty-nine thousand, nine hundred seventy-nine".