919434953 has 4 divisors (see below), whose sum is σ = 973519380. Its totient is φ = 865350528.

The previous prime is 919434917. The next prime is 919434961. The reversal of 919434953 is 359434919.

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 433805584 + 485629369 = 20828^2 + 22037^2 .

It is a cyclic number.

It is not a de Polignac number, because 919434953 - 2⁸ = 919434697 is a prime.

It is a super-2 number, since 2×919434953² = 1690721265596224418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 919434898 and 919434907.

It is not an unprimeable number, because it can be changed into a prime (919434253) 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, 27042188 + ... + 27042221.

It is an arithmetic number, because the mean of its divisors is an integer number (243379845).

Almost surely, 2^919434953 is an apocalyptic number.

It is an amenable number.

919434953 is a deficient number, since it is larger than the sum of its proper divisors (54084427).

919434953 is a wasteful number, since it uses less digits than its factorization.

919434953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54084426.

The product of its digits is 524880, while the sum is 47.

The square root of 919434953 is about 30322.1858216059. The cubic root of 919434953 is about 972.3896700788.

The spelling of 919434953 in words is "nine hundred nineteen million, four hundred thirty-four thousand, nine hundred fifty-three".