477390149 has 4 divisors (see below), whose sum is σ = 479531136. Its totient is φ = 475249164.

The previous prime is 477390119. The next prime is 477390157. The reversal of 477390149 is 941093774.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 941093774 = 2 ⋅470546887.

It is a cyclic number.

It is not a de Polignac number, because 477390149 - 2¹² = 477386053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477390119) 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, 1070159 + ... + 1070604.

It is an arithmetic number, because the mean of its divisors is an integer number (119882784).

Almost surely, 2^477390149 is an apocalyptic number.

It is an amenable number.

477390149 is a deficient number, since it is larger than the sum of its proper divisors (2140987).

477390149 is a wasteful number, since it uses less digits than its factorization.

477390149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140986.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 477390149 is about 21849.2596899758. The cubic root of 477390149 is about 781.5518900361.

The spelling of 477390149 in words is "four hundred seventy-seven million, three hundred ninety thousand, one hundred forty-nine".