7410409781 has 2 divisors, whose sum is σ = 7410409782. Its totient is φ = 7410409780.

The previous prime is 7410409763. The next prime is 7410409841. The reversal of 7410409781 is 1879040147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6346671556 + 1063738225 = 79666^2 + 32615^2 .

It is a cyclic number.

It is not a de Polignac number, because 7410409781 - 2⁶ = 7410409717 is a prime.

It is a super-2 number, since 2×7410409781² (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 (7410408781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3705204890 + 3705204891.

It is an arithmetic number, because the mean of its divisors is an integer number (3705204891).

Almost surely, 2^7410409781 is an apocalyptic number.

It is an amenable number.

7410409781 is a deficient number, since it is larger than the sum of its proper divisors (1).

7410409781 is an equidigital number, since it uses as much as digits as its factorization.

7410409781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 7410409781 is about 86083.7370297085. The cubic root of 7410409781 is about 1949.6084930428.

The spelling of 7410409781 in words is "seven billion, four hundred ten million, four hundred nine thousand, seven hundred eighty-one".