611493969 has 4 divisors (see below), whose sum is σ = 815325296. Its totient is φ = 407662644.

The previous prime is 611493937. The next prime is 611493973. The reversal of 611493969 is 969394116.

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 611493969 - 2⁵ = 611493937 is a prime.

It is a super-2 number, since 2×611493969² = 747849748246745922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611493919) 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, 101915659 + ... + 101915664.

It is an arithmetic number, because the mean of its divisors is an integer number (203831324).

Almost surely, 2^611493969 is an apocalyptic number.

It is an amenable number.

611493969 is a deficient number, since it is larger than the sum of its proper divisors (203831327).

611493969 is a wasteful number, since it uses less digits than its factorization.

611493969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203831326.

The product of its digits is 314928, while the sum is 48.

The square root of 611493969 is about 24728.4040932689. The cubic root of 611493969 is about 848.7844072658.

The spelling of 611493969 in words is "six hundred eleven million, four hundred ninety-three thousand, nine hundred sixty-nine".