2046547642 has 4 divisors (see below), whose sum is σ = 3069821466. Its totient is φ = 1023273820.

The previous prime is 2046547597. The next prime is 2046547651. The reversal of 2046547642 is 2467456402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2467456402 = 2 ⋅1233728201.

It can be written as a sum of positive squares in only one way, i.e., 1251815161 + 794732481 = 35381^2 + 28191^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2046547595 and 2046547604.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511636909 + ... + 511636912.

Almost surely, 2^2046547642 is an apocalyptic number.

2046547642 is a deficient number, since it is larger than the sum of its proper divisors (1023273824).

2046547642 is a wasteful number, since it uses less digits than its factorization.

2046547642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023273823.

The product of its (nonzero) digits is 322560, while the sum is 40.

The square root of 2046547642 is about 45238.7847095830. The cubic root of 2046547642 is about 1269.6205785779.

The spelling of 2046547642 in words is "two billion, forty-six million, five hundred forty-seven thousand, six hundred forty-two".