7648931238837 has 16 divisors (see below), whose sum is σ = 11722887189120. Its totient is φ = 4345553005632.

The previous prime is 7648931238791. The next prime is 7648931238841. The reversal of 7648931238837 is 7388321398467.

It is a de Polignac number, because none of the positive numbers 2^k-7648931238837 is a prime.

It is a super-2 number, since 2×7648931238837² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7648931238737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1052698162 + ... + 1052705427.

It is an arithmetic number, because the mean of its divisors is an integer number (732680449320).

Almost surely, 2^{7648931238837} is an apocalyptic number.

It is an amenable number.

7648931238837 is a deficient number, since it is larger than the sum of its proper divisors (4073955950283).

7648931238837 is a wasteful number, since it uses less digits than its factorization.

7648931238837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105403772.

The product of its digits is 292626432, while the sum is 69.

The spelling of 7648931238837 in words is "seven trillion, six hundred forty-eight billion, nine hundred thirty-one million, two hundred thirty-eight thousand, eight hundred thirty-seven".