7107023981 has 2 divisors, whose sum is σ = 7107023982. Its totient is φ = 7107023980.

The previous prime is 7107023969. The next prime is 7107024007. The reversal of 7107023981 is 1893207017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5720653225 + 1386370756 = 75635^2 + 37234^2 .

It is a cyclic number.

It is not a de Polignac number, because 7107023981 - 2¹⁰ = 7107022957 is a prime.

It is a super-2 number, since 2×7107023981² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7107023951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3553511990 + 3553511991.

It is an arithmetic number, because the mean of its divisors is an integer number (3553511991).

Almost surely, 2^7107023981 is an apocalyptic number.

It is an amenable number.

7107023981 is a deficient number, since it is larger than the sum of its proper divisors (1).

7107023981 is an equidigital number, since it uses as much as digits as its factorization.

7107023981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 7107023981 is about 84303.1670876012. The cubic root of 7107023981 is about 1922.6309401183.

The spelling of 7107023981 in words is "seven billion, one hundred seven million, twenty-three thousand, nine hundred eighty-one".