1835986500213 has 32 divisors (see below), whose sum is σ = 2511072700416. Its totient is φ = 1192769967168.

The previous prime is 1835986500209. The next prime is 1835986500217. The reversal of 1835986500213 is 3120056895381.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1835986500209) and next prime (1835986500217).

It is not a de Polignac number, because 1835986500213 - 2² = 1835986500209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1835986500217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34678320 + ... + 34731222.

It is an arithmetic number, because the mean of its divisors is an integer number (78471021888).

Almost surely, 2^{1835986500213} is an apocalyptic number.

It is an amenable number.

1835986500213 is a deficient number, since it is larger than the sum of its proper divisors (675086200203).

1835986500213 is a wasteful number, since it uses less digits than its factorization.

1835986500213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54433.

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 1835986500213 in words is "one trillion, eight hundred thirty-five billion, nine hundred eighty-six million, five hundred thousand, two hundred thirteen".