61420522214 has 4 divisors (see below), whose sum is σ = 92130783324. Its totient is φ = 30710261106.

The previous prime is 61420522213. The next prime is 61420522243. The reversal of 61420522214 is 41222502416.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61420522213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15355130552 + ... + 15355130555.

It is an arithmetic number, because the mean of its divisors is an integer number (23032695831).

Almost surely, 2^61420522214 is an apocalyptic number.

61420522214 is a deficient number, since it is larger than the sum of its proper divisors (30710261110).

61420522214 is a wasteful number, since it uses less digits than its factorization.

61420522214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30710261109.

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 61420522214 in words is "sixty-one billion, four hundred twenty million, five hundred twenty-two thousand, two hundred fourteen".