61425627243 has 32 divisors (see below), whose sum is σ = 83244672000. Its totient is φ = 40283882496.

The previous prime is 61425627223. The next prime is 61425627283. The reversal of 61425627243 is 34272652416.

It is a de Polignac number, because none of the positive numbers 2^k-61425627243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61425627195 and 61425627204.

It is not an unprimeable number, because it can be changed into a prime (61425627223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69250546 + ... + 69251432.

It is an arithmetic number, because the mean of its divisors is an integer number (2601396000).

Almost surely, 2^61425627243 is an apocalyptic number.

61425627243 is a deficient number, since it is larger than the sum of its proper divisors (21819044757).

61425627243 is a wasteful number, since it uses less digits than its factorization.

61425627243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011.

The product of its digits is 483840, while the sum is 42.

The spelling of 61425627243 in words is "sixty-one billion, four hundred twenty-five million, six hundred twenty-seven thousand, two hundred forty-three".