46109251921 has 8 divisors (see below), whose sum is σ = 46268760384. Its totient is φ = 45949804560.

The previous prime is 46109251919. The next prime is 46109251931. The reversal of 46109251921 is 12915290164.

46109251921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 46109251921 - 2¹ = 46109251919 is a prime.

It is a super-2 number, since 2×46109251921² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46109251931) 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, 1910751 + ... + 1934731.

It is an arithmetic number, because the mean of its divisors is an integer number (5783595048).

Almost surely, 2^46109251921 is an apocalyptic number.

It is an amenable number.

46109251921 is a deficient number, since it is larger than the sum of its proper divisors (159508463).

46109251921 is a wasteful number, since it uses less digits than its factorization.

46109251921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30551.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 46109251921 in words is "forty-six billion, one hundred nine million, two hundred fifty-one thousand, nine hundred twenty-one".