3498642057 has 4 divisors (see below), whose sum is σ = 4664856080. Its totient is φ = 2332428036.

The previous prime is 3498642013. The next prime is 3498642073. The reversal of 3498642057 is 7502468943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3498642057 - 2¹⁹ = 3498117769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3498641997 and 3498642015.

It is not an unprimeable number, because it can be changed into a prime (3498647057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583107007 + ... + 583107012.

It is an arithmetic number, because the mean of its divisors is an integer number (1166214020).

Almost surely, 2^3498642057 is an apocalyptic number.

It is an amenable number.

3498642057 is a deficient number, since it is larger than the sum of its proper divisors (1166214023).

3498642057 is a wasteful number, since it uses less digits than its factorization.

3498642057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166214022.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 3498642057 is about 59149.3200045444. The cubic root of 3498642057 is about 1518.0981026931.

The spelling of 3498642057 in words is "three billion, four hundred ninety-eight million, six hundred forty-two thousand, fifty-seven".