2142635457426 has 16 divisors (see below), whose sum is σ = 4285285883328. Its totient is φ = 714209324400.

The previous prime is 2142635457383. The next prime is 2142635457461. The reversal of 2142635457426 is 6247545362412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2269731 + ... + 3071961.

It is an arithmetic number, because the mean of its divisors is an integer number (267830367708).

Almost surely, 2^{2142635457426} is an apocalyptic number.

2142635457426 is an abundant number, since it is smaller than the sum of its proper divisors (2142650425902).

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

2142635457426 is a wasteful number, since it uses less digits than its factorization.

2142635457426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247377.

The product of its digits is 9676800, while the sum is 51.

The spelling of 2142635457426 in words is "two trillion, one hundred forty-two billion, six hundred thirty-five million, four hundred fifty-seven thousand, four hundred twenty-six".