7948402319 has 16 divisors (see below), whose sum is σ = 9340679040. Its totient is φ = 6668062560.

The previous prime is 7948402303. The next prime is 7948402327. The reversal of 7948402319 is 9132048497.

It is a cyclic number.

It is not a de Polignac number, because 7948402319 - 2⁴ = 7948402303 is a prime.

It is a super-2 number, since 2×7948402319² (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 (7948402339) 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, 717944 + ... + 728930.

It is an arithmetic number, because the mean of its divisors is an integer number (583792440).

Almost surely, 2^7948402319 is an apocalyptic number.

7948402319 is a deficient number, since it is larger than the sum of its proper divisors (1392276721).

7948402319 is a wasteful number, since it uses less digits than its factorization.

7948402319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16070.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 7948402319 is about 89153.8127002990. The cubic root of 7948402319 is about 1995.6909158144.

The spelling of 7948402319 in words is "seven billion, nine hundred forty-eight million, four hundred two thousand, three hundred nineteen".