2031459477 has 4 divisors (see below), whose sum is σ = 2708612640. Its totient is φ = 1354306316.

The previous prime is 2031459401. The next prime is 2031459571. The reversal of 2031459477 is 7749541302.

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 2031459477 - 2²⁶ = 1964350613 is a prime.

It is a super-2 number, since 2×2031459477² = 8253655213386227058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031459377) 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, 338576577 + ... + 338576582.

It is an arithmetic number, because the mean of its divisors is an integer number (677153160).

Almost surely, 2^2031459477 is an apocalyptic number.

It is an amenable number.

2031459477 is a deficient number, since it is larger than the sum of its proper divisors (677153163).

2031459477 is an equidigital number, since it uses as much as digits as its factorization.

2031459477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677153162.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 2031459477 is about 45071.7148220478. The cubic root of 2031459477 is about 1266.4927883746.

The spelling of 2031459477 in words is "two billion, thirty-one million, four hundred fifty-nine thousand, four hundred seventy-seven".