7494863197 has 4 divisors (see below), whose sum is σ = 7496669440. Its totient is φ = 7493056956.

The previous prime is 7494863141. The next prime is 7494863213. The reversal of 7494863197 is 7913684947.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7494863197 - 2¹¹ = 7494861149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7494863107) 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, 896883 + ... + 905200.

It is an arithmetic number, because the mean of its divisors is an integer number (1874167360).

Almost surely, 2^7494863197 is an apocalyptic number.

It is an amenable number.

7494863197 is a deficient number, since it is larger than the sum of its proper divisors (1806243).

7494863197 is a wasteful number, since it uses less digits than its factorization.

7494863197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806242.

The product of its digits is 9144576, while the sum is 58.

The square root of 7494863197 is about 86572.8779526244. The cubic root of 7494863197 is about 1956.9868317682.

The spelling of 7494863197 in words is "seven billion, four hundred ninety-four million, eight hundred sixty-three thousand, one hundred ninety-seven".