1051623341813 has 4 divisors (see below), whose sum is σ = 1147225463808. Its totient is φ = 956021219820.

The previous prime is 1051623341807. The next prime is 1051623341831. The reversal of 1051623341813 is 3181433261501.

It is a happy number.

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 1051623341813 - 2¹⁴ = 1051623325429 is a prime.

It is a super-2 number, since 2×1051623341813² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051623341833) 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, 47801060981 + ... + 47801061002.

It is an arithmetic number, because the mean of its divisors is an integer number (286806365952).

Almost surely, 2^{1051623341813} is an apocalyptic number.

It is an amenable number.

1051623341813 is a deficient number, since it is larger than the sum of its proper divisors (95602121995).

1051623341813 is an equidigital number, since it uses as much as digits as its factorization.

1051623341813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95602121994.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 1051623341813 in words is "one trillion, fifty-one billion, six hundred twenty-three million, three hundred forty-one thousand, eight hundred thirteen".