3561001485738 has 16 divisors (see below), whose sum is σ = 7126194871200. Its totient is φ = 1186301845296.

The previous prime is 3561001485737. The next prime is 3561001485803. The reversal of 3561001485738 is 8375841001653.

3561001485738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3561001485733) 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, 174651445 + ... + 174671832.

It is an arithmetic number, because the mean of its divisors is an integer number (445387179450).

Almost surely, 2^{3561001485738} is an apocalyptic number.

3561001485738 is an abundant number, since it is smaller than the sum of its proper divisors (3565193385462).

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

3561001485738 is a wasteful number, since it uses less digits than its factorization.

3561001485738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349324981.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 3561001485738 in words is "three trillion, five hundred sixty-one billion, one million, four hundred eighty-five thousand, seven hundred thirty-eight".