7437381651 has 18 divisors (see below), whose sum is σ = 12496825692. Its totient is φ = 4249932120.

The previous prime is 7437381649. The next prime is 7437381659. The reversal of 7437381651 is 1561837347.

It is not a de Polignac number, because 7437381651 - 2¹ = 7437381649 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7437381597 and 7437381606.

It is not an unprimeable number, because it can be changed into a prime (7437381659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8431965 + ... + 8432846.

It is an arithmetic number, because the mean of its divisors is an integer number (694268094).

Almost surely, 2^7437381651 is an apocalyptic number.

7437381651 is a deficient number, since it is larger than the sum of its proper divisors (5059444041).

7437381651 is a wasteful number, since it uses less digits than its factorization.

7437381651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16864831 (or 16864821 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 7437381651 is about 86240.2553973491. The cubic root of 7437381651 is about 1951.9709767748.

The spelling of 7437381651 in words is "seven billion, four hundred thirty-seven million, three hundred eighty-one thousand, six hundred fifty-one".