42903787417 has 4 divisors (see below), whose sum is σ = 45427539636. Its totient is φ = 40380035200.

The previous prime is 42903787411. The next prime is 42903787429. The reversal of 42903787417 is 71478730924.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24249964176 + 18653823241 = 155724^2 + 136579^2 .

It is a cyclic number.

It is not a de Polignac number, because 42903787417 - 2²³ = 42895398809 is a prime.

It is a super-3 number, since 3×42903787417³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42903787411) 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, 1261876084 + ... + 1261876117.

It is an arithmetic number, because the mean of its divisors is an integer number (11356884909).

Almost surely, 2^42903787417 is an apocalyptic number.

It is an amenable number.

42903787417 is a deficient number, since it is larger than the sum of its proper divisors (2523752219).

42903787417 is a wasteful number, since it uses less digits than its factorization.

42903787417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523752218.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 42903787417 in words is "forty-two billion, nine hundred three million, seven hundred eighty-seven thousand, four hundred seventeen".