1634550245542 has 16 divisors (see below), whose sum is σ = 2496265395840. Its totient is φ = 802559558592.

The previous prime is 1634550245509. The next prime is 1634550245543. The reversal of 1634550245542 is 2455420554361.

It is a junction number, because it is equal to n+sod(n) for n = 1634550245492 and 1634550245501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634550245543) 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, 24410998 + ... + 24477865.

It is an arithmetic number, because the mean of its divisors is an integer number (156016587240).

Almost surely, 2^{1634550245542} is an apocalyptic number.

1634550245542 is a deficient number, since it is larger than the sum of its proper divisors (861715150298).

1634550245542 is a wasteful number, since it uses less digits than its factorization.

1634550245542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48889167.

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 1634550245542 in words is "one trillion, six hundred thirty-four billion, five hundred fifty million, two hundred forty-five thousand, five hundred forty-two".