7948993753 has 8 divisors (see below), whose sum is σ = 8297667080. Its totient is φ = 7607364480.

The previous prime is 7948993697. The next prime is 7948993823. The reversal of 7948993753 is 3573998497.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23104 + 7948970649 = 152^2 + 89157^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7948993753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7948993153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1758708 + ... + 1763221.

It is an arithmetic number, because the mean of its divisors is an integer number (1037208385).

Almost surely, 2^7948993753 is an apocalyptic number.

It is an amenable number.

7948993753 is a deficient number, since it is larger than the sum of its proper divisors (348673327).

7948993753 is a wasteful number, since it uses less digits than its factorization.

7948993753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522027.

The product of its digits is 51438240, while the sum is 64.

The square root of 7948993753 is about 89157.1295690928. The cubic root of 7948993753 is about 1995.7404138200.

The spelling of 7948993753 in words is "seven billion, nine hundred forty-eight million, nine hundred ninety-three thousand, seven hundred fifty-three".