61825356379 has 4 divisors (see below), whose sum is σ = 64513415376. Its totient is φ = 59137297384.

The previous prime is 61825356347. The next prime is 61825356401. The reversal of 61825356379 is 97365352816.

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

It is a cyclic number.

It is not a de Polignac number, because 61825356379 - 2⁵ = 61825356347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61825356079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344029464 + ... + 1344029509.

It is an arithmetic number, because the mean of its divisors is an integer number (16128353844).

Almost surely, 2^61825356379 is an apocalyptic number.

61825356379 is a deficient number, since it is larger than the sum of its proper divisors (2688058997).

61825356379 is a wasteful number, since it uses less digits than its factorization.

61825356379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688058996.

The product of its digits is 8164800, while the sum is 55.

The spelling of 61825356379 in words is "sixty-one billion, eight hundred twenty-five million, three hundred fifty-six thousand, three hundred seventy-nine".