1013109973 has 2 divisors, whose sum is σ = 1013109974. Its totient is φ = 1013109972.

The previous prime is 1013109961. The next prime is 1013109989. The reversal of 1013109973 is 3799013101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 970820964 + 42289009 = 31158^2 + 6503^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013109973 - 2¹³ = 1013101781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013109943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506554986 + 506554987.

It is an arithmetic number, because the mean of its divisors is an integer number (506554987).

Almost surely, 2^1013109973 is an apocalyptic number.

It is an amenable number.

1013109973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013109973 is an equidigital number, since it uses as much as digits as its factorization.

1013109973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 1013109973 is about 31829.3885112485. The cubic root of 1013109973 is about 1004.3510320628.

The spelling of 1013109973 in words is "one billion, thirteen million, one hundred nine thousand, nine hundred seventy-three".