61794473530 has 16 divisors (see below), whose sum is σ = 111486942504. Its totient is φ = 24660702720.

The previous prime is 61794473519. The next prime is 61794473557. The reversal of 61794473530 is 3537449716.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18687163401 + 43107310129 = 136701^2 + 207623^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7131291 + ... + 7139950.

Almost surely, 2^61794473530 is an apocalyptic number.

61794473530 is a deficient number, since it is larger than the sum of its proper divisors (49692468974).

61794473530 is a wasteful number, since it uses less digits than its factorization.

61794473530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14271681.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 61794473530 in words is "sixty-one billion, seven hundred ninety-four million, four hundred seventy-three thousand, five hundred thirty".