61422017143437 has 16 divisors (see below), whose sum is σ = 94133359608000. Its totient is φ = 39536011034352.

The previous prime is 61422017143433. The next prime is 61422017143453. The reversal of 61422017143437 is 73434171022416.

61422017143437 is a `hidden beast` number, since 6 + 1 + 4 + 2 + 2 + 0 + 171 + 43 + 437 = 666.

It is not a de Polignac number, because 61422017143437 - 2² = 61422017143433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61422017143392 and 61422017143401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61422017143433) 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, 39222232387 + ... + 39222233952.

It is an arithmetic number, because the mean of its divisors is an integer number (5883334975500).

Almost surely, 2^{61422017143437} is an apocalyptic number.

It is an amenable number.

61422017143437 is a deficient number, since it is larger than the sum of its proper divisors (32711342464563).

61422017143437 is a wasteful number, since it uses less digits than its factorization.

61422017143437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78444466377 (or 78444466371 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 61422017143437 in words is "sixty-one trillion, four hundred twenty-two billion, seventeen million, one hundred forty-three thousand, four hundred thirty-seven".