7491419965 has 8 divisors (see below), whose sum is σ = 8997098040. Its totient is φ = 5988206592.

The previous prime is 7491419963. The next prime is 7491419981. The reversal of 7491419965 is 5699141947.

It can be written as a sum of positive squares in 4 ways, for example, as 431891524 + 7059528441 = 20782^2 + 84021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7491419965 - 2¹ = 7491419963 is a prime.

It is a super-2 number, since 2×7491419965² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7491419963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609480 + ... + 621649.

It is an arithmetic number, because the mean of its divisors is an integer number (1124637255).

Almost surely, 2^7491419965 is an apocalyptic number.

It is an amenable number.

7491419965 is a deficient number, since it is larger than the sum of its proper divisors (1505678075).

7491419965 is a wasteful number, since it uses less digits than its factorization.

7491419965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232351.

The product of its digits is 2449440, while the sum is 55.

The square root of 7491419965 is about 86552.9893475667. The cubic root of 7491419965 is about 1956.6870979521.

The spelling of 7491419965 in words is "seven billion, four hundred ninety-one million, four hundred nineteen thousand, nine hundred sixty-five".