46469131489 has 9 divisors (see below), whose sum is σ = 51080246931. Its totient is φ = 42242509320.

The previous prime is 46469131487. The next prime is 46469131523. The reversal of 46469131489 is 98413196464.

The square root of 46469131489 is 215567.

It is a perfect power (a square), and thus also a powerful number.

46469131489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 17877027025 + 28592104464 = 133705^2 + 169092^2 .

It is not a de Polignac number, because 46469131489 - 2¹ = 46469131487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46469131487) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2361439 + ... + 2381035.

Almost surely, 2^46469131489 is an apocalyptic number.

46469131489 is the 215567-th square number.

46469131489 is the 107784-th centered octagonal number.

It is an amenable number.

46469131489 is a deficient number, since it is larger than the sum of its proper divisors (4611115442).

46469131489 is an frugal number, since it uses more digits than its factorization.

46469131489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39216 (or 19608 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 55.

It can be divided in two parts, 46469131 and 489, that added together give a triangular number (46469620 = T₉₆₄₀).

The spelling of 46469131489 in words is "forty-six billion, four hundred sixty-nine million, one hundred thirty-one thousand, four hundred eighty-nine".