2157427314442 has 16 divisors (see below), whose sum is σ = 3275549655840. Its totient is φ = 1065580754992.

The previous prime is 2157427314433. The next prime is 2157427314451. The reversal of 2157427314442 is 2444137247512.

It is an interprime number because it is at equal distance from previous prime (2157427314433) and next prime (2157427314451).

It is a junction number, because it is equal to n+sod(n) for n = 2157427314392 and 2157427314401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476109 + ... + 2131087.

It is an arithmetic number, because the mean of its divisors is an integer number (204721853490).

Almost surely, 2^{2157427314442} is an apocalyptic number.

2157427314442 is a deficient number, since it is larger than the sum of its proper divisors (1118122341398).

2157427314442 is a wasteful number, since it uses less digits than its factorization.

2157427314442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662917.

The product of its digits is 1505280, while the sum is 46.

The spelling of 2157427314442 in words is "two trillion, one hundred fifty-seven billion, four hundred twenty-seven million, three hundred fourteen thousand, four hundred forty-two".