1949354742 has 128 divisors (see below), whose sum is σ = 4589706240. Its totient is φ = 547430400.

The previous prime is 1949354689. The next prime is 1949354747. The reversal of 1949354742 is 2474539491.

It is a junction number, because it is equal to n+sod(n) for n = 1949354691 and 1949354700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949354747) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4501758 + ... + 4502190.

It is an arithmetic number, because the mean of its divisors is an integer number (35857080).

Almost surely, 2^1949354742 is an apocalyptic number.

1949354742 is an abundant number, since it is smaller than the sum of its proper divisors (2640351498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1949354742 is a wasteful number, since it uses less digits than its factorization.

1949354742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598.

The product of its digits is 1088640, while the sum is 48.

The square root of 1949354742 is about 44151.4976189936. The cubic root of 1949354742 is about 1249.1951601909.

The spelling of 1949354742 in words is "one billion, nine hundred forty-nine million, three hundred fifty-four thousand, seven hundred forty-two".