7447996351 has 4 divisors (see below), whose sum is σ = 7448224104. Its totient is φ = 7447768600.

The previous prime is 7447996291. The next prime is 7447996373. The reversal of 7447996351 is 1536997447.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7447996351 - 2¹¹ = 7447994303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7447996292 and 7447996301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7447996651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54505 + ... + 133666.

It is an arithmetic number, because the mean of its divisors is an integer number (1862056026).

Almost surely, 2^7447996351 is an apocalyptic number.

7447996351 is a deficient number, since it is larger than the sum of its proper divisors (227753).

7447996351 is a wasteful number, since it uses less digits than its factorization.

7447996351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227752.

The product of its digits is 5715360, while the sum is 55.

The square root of 7447996351 is about 86301.7749006357. The cubic root of 7447996351 is about 1952.8991590324.

The spelling of 7447996351 in words is "seven billion, four hundred forty-seven million, nine hundred ninety-six thousand, three hundred fifty-one".