46091787391 has 8 divisors (see below), whose sum is σ = 51348941280. Its totient is φ = 41079152352.

The previous prime is 46091787389. The next prime is 46091787439. The reversal of 46091787391 is 19378719064.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 46091787391 - 2¹ = 46091787389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46091787341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61129315 + ... + 61130068.

It is an arithmetic number, because the mean of its divisors is an integer number (6418617660).

Almost surely, 2^46091787391 is an apocalyptic number.

46091787391 is a deficient number, since it is larger than the sum of its proper divisors (5257153889).

46091787391 is a wasteful number, since it uses less digits than its factorization.

46091787391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122259425.

The product of its (nonzero) digits is 2286144, while the sum is 55.

The spelling of 46091787391 in words is "forty-six billion, ninety-one million, seven hundred eighty-seven thousand, three hundred ninety-one".