7414474981 has 2 divisors, whose sum is σ = 7414474982. Its totient is φ = 7414474980.

The previous prime is 7414474901. The next prime is 7414475027. The reversal of 7414474981 is 1894744147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6745993956 + 668481025 = 82134^2 + 25855^2 .

It is a cyclic number.

It is not a de Polignac number, because 7414474981 - 2⁷ = 7414474853 is a prime.

It is a super-2 number, since 2×7414474981² (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 (7414474901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3707237490 + 3707237491.

It is an arithmetic number, because the mean of its divisors is an integer number (3707237491).

Almost surely, 2^7414474981 is an apocalyptic number.

It is an amenable number.

7414474981 is a deficient number, since it is larger than the sum of its proper divisors (1).

7414474981 is an equidigital number, since it uses as much as digits as its factorization.

7414474981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 49.

The square root of 7414474981 is about 86107.3456854873. The cubic root of 7414474981 is about 1949.9649330534.

The spelling of 7414474981 in words is "seven billion, four hundred fourteen million, four hundred seventy-four thousand, nine hundred eighty-one".