5156009197 has 4 divisors (see below), whose sum is σ = 5156214336. Its totient is φ = 5155804060.

The previous prime is 5156009099. The next prime is 5156009239. The reversal of 5156009197 is 7919006515.

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 5156009197 - 2²³ = 5147620589 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 (5156079197) 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, 58579 + ... + 117232.

It is an arithmetic number, because the mean of its divisors is an integer number (1289053584).

Almost surely, 2^5156009197 is an apocalyptic number.

It is an amenable number.

5156009197 is a deficient number, since it is larger than the sum of its proper divisors (205139).

5156009197 is a wasteful number, since it uses less digits than its factorization.

5156009197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205138.

The product of its (nonzero) digits is 85050, while the sum is 43.

The square root of 5156009197 is about 71805.3563252770. The cubic root of 5156009197 is about 1727.5789133363.

The spelling of 5156009197 in words is "five billion, one hundred fifty-six million, nine thousand, one hundred ninety-seven".