7865151443741 has 2 divisors, whose sum is σ = 7865151443742. Its totient is φ = 7865151443740.

The previous prime is 7865151443707. The next prime is 7865151443767. The reversal of 7865151443741 is 1473441515687.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7610171891716 + 254979552025 = 2758654^2 + 504955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7865151443741 is a prime.

It is a super-2 number, since 2×7865151443741² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7865151443441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3932575721870 + 3932575721871.

It is an arithmetic number, because the mean of its divisors is an integer number (3932575721871).

Almost surely, 2^{7865151443741} is an apocalyptic number.

It is an amenable number.

7865151443741 is a deficient number, since it is larger than the sum of its proper divisors (1).

7865151443741 is an equidigital number, since it uses as much as digits as its factorization.

7865151443741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11289600, while the sum is 56.

The spelling of 7865151443741 in words is "seven trillion, eight hundred sixty-five billion, one hundred fifty-one million, four hundred forty-three thousand, seven hundred forty-one".