7342013981 has 2 divisors, whose sum is σ = 7342013982. Its totient is φ = 7342013980.

The previous prime is 7342013927. The next prime is 7342013993. The reversal of 7342013981 is 1893102437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4470125881 + 2871888100 = 66859^2 + 53590^2 .

It is a cyclic number.

It is not a de Polignac number, because 7342013981 - 2¹⁰ = 7342012957 is a prime.

It is a super-2 number, since 2×7342013981² (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 (7342013911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3671006990 + 3671006991.

It is an arithmetic number, because the mean of its divisors is an integer number (3671006991).

Almost surely, 2^7342013981 is an apocalyptic number.

It is an amenable number.

7342013981 is a deficient number, since it is larger than the sum of its proper divisors (1).

7342013981 is an equidigital number, since it uses as much as digits as its factorization.

7342013981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 7342013981 is about 85685.5529304678. The cubic root of 7342013981 is about 1943.5918489950.

The spelling of 7342013981 in words is "seven billion, three hundred forty-two million, thirteen thousand, nine hundred eighty-one".