3501618151649 has 4 divisors (see below), whose sum is σ = 3653862419136. Its totient is φ = 3349373884164.

The previous prime is 3501618151613. The next prime is 3501618151673. The reversal of 3501618151649 is 9461518161053.

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 a cyclic number.

It is not a de Polignac number, because 3501618151649 - 2⁸ = 3501618151393 is a prime.

It is a super-2 number, since 2×3501618151649² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3501618151597 and 3501618151606.

It is not an unprimeable number, because it can be changed into a prime (3501618151699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76122133709 + ... + 76122133754.

It is an arithmetic number, because the mean of its divisors is an integer number (913465604784).

Almost surely, 2^{3501618151649} is an apocalyptic number.

It is an amenable number.

3501618151649 is a deficient number, since it is larger than the sum of its proper divisors (152244267487).

3501618151649 is a wasteful number, since it uses less digits than its factorization.

3501618151649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152244267486.

The product of its (nonzero) digits is 777600, while the sum is 50.

The spelling of 3501618151649 in words is "three trillion, five hundred one billion, six hundred eighteen million, one hundred fifty-one thousand, six hundred forty-nine".