468478749 has 4 divisors (see below), whose sum is σ = 624638336. Its totient is φ = 312319164.

The previous prime is 468478739. The next prime is 468478783. The reversal of 468478749 is 947874864.

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.

It is not a de Polignac number, because 468478749 - 2¹³ = 468470557 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 (468478709) 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, 78079789 + ... + 78079794.

It is an arithmetic number, because the mean of its divisors is an integer number (156159584).

Almost surely, 2^468478749 is an apocalyptic number.

It is an amenable number.

468478749 is a deficient number, since it is larger than the sum of its proper divisors (156159587).

468478749 is a wasteful number, since it uses less digits than its factorization.

468478749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156159586.

The product of its digits is 10838016, while the sum is 57.

The square root of 468478749 is about 21644.3699145990. The cubic root of 468478749 is about 776.6582593681.

The spelling of 468478749 in words is "four hundred sixty-eight million, four hundred seventy-eight thousand, seven hundred forty-nine".