1950005542 has 4 divisors (see below), whose sum is σ = 2925008316. Its totient is φ = 975002770.

The previous prime is 1950005509. The next prime is 1950005597. The reversal of 1950005542 is 2455000591.

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

It is a super-2 number, since 2×1950005542² = 7605043227661427528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487501384 + ... + 487501387.

It is an arithmetic number, because the mean of its divisors is an integer number (731252079).

Almost surely, 2^1950005542 is an apocalyptic number.

1950005542 is a deficient number, since it is larger than the sum of its proper divisors (975002774).

1950005542 is an equidigital number, since it uses as much as digits as its factorization.

1950005542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975002773.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 1950005542 is about 44158.8670823879. The cubic root of 1950005542 is about 1249.3341610164.

The spelling of 1950005542 in words is "one billion, nine hundred fifty million, five thousand, five hundred forty-two".