619948034 has 4 divisors (see below), whose sum is σ = 929922054. Its totient is φ = 309974016.

The previous prime is 619948033. The next prime is 619948037. The reversal of 619948034 is 430849916.

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

It can be written as a sum of positive squares in only one way, i.e., 602849809 + 17098225 = 24553^2 + 4135^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (619948033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154987007 + ... + 154987010.

Almost surely, 2^619948034 is an apocalyptic number.

619948034 is a deficient number, since it is larger than the sum of its proper divisors (309974020).

619948034 is a wasteful number, since it uses less digits than its factorization.

619948034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309974019.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 619948034 is about 24898.7556717198. The cubic root of 619948034 is about 852.6780742718.

The spelling of 619948034 in words is "six hundred nineteen million, nine hundred forty-eight thousand, thirty-four".