611049945 has 16 divisors (see below), whose sum is σ = 1066560192. Its totient is φ = 296266560.

The previous prime is 611049941. The next prime is 611050007. The reversal of 611049945 is 549940116.

It is not a de Polignac number, because 611049945 - 2² = 611049941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (611049941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1851502 + ... + 1851831.

It is an arithmetic number, because the mean of its divisors is an integer number (66660012).

Almost surely, 2^611049945 is an apocalyptic number.

It is an amenable number.

611049945 is a deficient number, since it is larger than the sum of its proper divisors (455510247).

611049945 is a wasteful number, since it uses less digits than its factorization.

611049945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703352.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 611049945 is about 24719.4244471832. The cubic root of 611049945 is about 848.5789149661.

The spelling of 611049945 in words is "six hundred eleven million, forty-nine thousand, nine hundred forty-five".