3501434642 has 4 divisors (see below), whose sum is σ = 5252151966. Its totient is φ = 1750717320.

The previous prime is 3501434621. The next prime is 3501434663. The reversal of 3501434642 is 2464341053.

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

It is an interprime number because it is at equal distance from previous prime (3501434621) and next prime (3501434663).

It can be written as a sum of positive squares in only one way, i.e., 3300617401 + 200817241 = 57451^2 + 14171^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3501434599 and 3501434608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 875358659 + ... + 875358662.

Almost surely, 2^3501434642 is an apocalyptic number.

3501434642 is a deficient number, since it is larger than the sum of its proper divisors (1750717324).

3501434642 is a wasteful number, since it uses less digits than its factorization.

3501434642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750717323.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 3501434642 is about 59172.9215266578. The cubic root of 3501434642 is about 1518.5019060799.

Adding to 3501434642 its reverse (2464341053), we get a palindrome (5965775695).

The spelling of 3501434642 in words is "three billion, five hundred one million, four hundred thirty-four thousand, six hundred forty-two".