5198607091 has 4 divisors (see below), whose sum is σ = 5247192312. Its totient is φ = 5150021872.

The previous prime is 5198607053. The next prime is 5198607137. The reversal of 5198607091 is 1907068915.

It is a happy number.

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 5198607091 - 2²³ = 5190218483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5198607691) 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, 24292450 + ... + 24292663.

It is an arithmetic number, because the mean of its divisors is an integer number (1311798078).

Almost surely, 2^5198607091 is an apocalyptic number.

5198607091 is a deficient number, since it is larger than the sum of its proper divisors (48585221).

5198607091 is a wasteful number, since it uses less digits than its factorization.

5198607091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48585220.

The product of its (nonzero) digits is 136080, while the sum is 46.

The square root of 5198607091 is about 72101.3667762269. The cubic root of 5198607091 is about 1732.3235055539.

The spelling of 5198607091 in words is "five billion, one hundred ninety-eight million, six hundred seven thousand, ninety-one".