1010399213 has 4 divisors (see below), whose sum is σ = 1042992768. Its totient is φ = 977805660.

The previous prime is 1010399209. The next prime is 1010399227. The reversal of 1010399213 is 3129930101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1010399213 - 2² = 1010399209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010399263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16296731 + ... + 16296792.

It is an arithmetic number, because the mean of its divisors is an integer number (260748192).

Almost surely, 2^1010399213 is an apocalyptic number.

It is an amenable number.

1010399213 is a deficient number, since it is larger than the sum of its proper divisors (32593555).

1010399213 is an equidigital number, since it uses as much as digits as its factorization.

1010399213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32593554.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 1010399213 is about 31786.7773295753. Note that the first 3 decimals coincide. The cubic root of 1010399213 is about 1003.4544573170.

The spelling of 1010399213 in words is "one billion, ten million, three hundred ninety-nine thousand, two hundred thirteen".