61652019244453 has 16 divisors (see below), whose sum is σ = 68665862103552. Its totient is φ = 54881269128000.

The previous prime is 61652019244441. The next prime is 61652019244531. The reversal of 61652019244453 is 35444291025616.

It is a cyclic number.

It is not a de Polignac number, because 61652019244453 - 2²⁹ = 61651482373541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61652019244453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61652019244853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205861138 + ... + 206160403.

It is an arithmetic number, because the mean of its divisors is an integer number (4291616381472).

Almost surely, 2^{61652019244453} is an apocalyptic number.

It is an amenable number.

61652019244453 is a deficient number, since it is larger than the sum of its proper divisors (7013842859099).

61652019244453 is a wasteful number, since it uses less digits than its factorization.

61652019244453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412021836.

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 61652019244453 in words is "sixty-one trillion, six hundred fifty-two billion, nineteen million, two hundred forty-four thousand, four hundred fifty-three".