7481970051 has 4 divisors (see below), whose sum is σ = 9975960072. Its totient is φ = 4987980032.

The previous prime is 7481969951. The next prime is 7481970053. The reversal of 7481970051 is 1500791847.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7481970051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7481969985 and 7481970012.

It is not an unprimeable number, because it can be changed into a prime (7481970053) 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, 1246995006 + ... + 1246995011.

It is an arithmetic number, because the mean of its divisors is an integer number (2493990018).

Almost surely, 2^7481970051 is an apocalyptic number.

7481970051 is a deficient number, since it is larger than the sum of its proper divisors (2493990021).

7481970051 is a wasteful number, since it uses less digits than its factorization.

7481970051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493990020.

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 7481970051 is about 86498.3817825513. The cubic root of 7481970051 is about 1955.8640094418.

The spelling of 7481970051 in words is "seven billion, four hundred eighty-one million, nine hundred seventy thousand, fifty-one".