7903955413 has 2 divisors, whose sum is σ = 7903955414. Its totient is φ = 7903955412.

The previous prime is 7903955399. The next prime is 7903955419. The reversal of 7903955413 is 3145593097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7582578084 + 321377329 = 87078^2 + 17927^2 .

It is an emirp because it is prime and its reverse (3145593097) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7903955413 - 2¹³ = 7903947221 is a prime.

It is a super-2 number, since 2×7903955413² (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 (7903955419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3951977706 + 3951977707.

It is an arithmetic number, because the mean of its divisors is an integer number (3951977707).

Almost surely, 2^7903955413 is an apocalyptic number.

It is an amenable number.

7903955413 is a deficient number, since it is larger than the sum of its proper divisors (1).

7903955413 is an equidigital number, since it uses as much as digits as its factorization.

7903955413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 510300, while the sum is 46.

The square root of 7903955413 is about 88904.1923252216. The cubic root of 7903955413 is about 1991.9640393293.

The spelling of 7903955413 in words is "seven billion, nine hundred three million, nine hundred fifty-five thousand, four hundred thirteen".