2355535621642 has 16 divisors (see below), whose sum is σ = 4083432540480. Its totient is φ = 998172397728.

The previous prime is 2355535621631. The next prime is 2355535621651. The reversal of 2355535621642 is 2461265355532.

It is a happy number.

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, 945237768 + ... + 945240259.

It is an arithmetic number, because the mean of its divisors is an integer number (255214533780).

Almost surely, 2^{2355535621642} is an apocalyptic number.

2355535621642 is a deficient number, since it is larger than the sum of its proper divisors (1727896918838).

2355535621642 is a wasteful number, since it uses less digits than its factorization.

2355535621642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890478125.

The product of its digits is 6480000, while the sum is 49.

The spelling of 2355535621642 in words is "two trillion, three hundred fifty-five billion, five hundred thirty-five million, six hundred twenty-one thousand, six hundred forty-two".