1900562381242 has 16 divisors (see below), whose sum is σ = 3258127700352. Its totient is φ = 814521544560.

The previous prime is 1900562381197. The next prime is 1900562381243. The reversal of 1900562381242 is 2421832650091.

It is a super-2 number, since 2×1900562381242² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1900562381243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2554203 + ... + 3213265.

It is an arithmetic number, because the mean of its divisors is an integer number (203632981272).

Almost surely, 2^{1900562381242} is an apocalyptic number.

1900562381242 is a deficient number, since it is larger than the sum of its proper divisors (1357565319110).

1900562381242 is a wasteful number, since it uses less digits than its factorization.

1900562381242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865053.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 1900562381242 in words is "one trillion, nine hundred billion, five hundred sixty-two million, three hundred eighty-one thousand, two hundred forty-two".