245034761819 has 16 divisors (see below), whose sum is σ = 255166068960. Its totient is φ = 235139224320.

The previous prime is 245034761813. The next prime is 245034761843. The reversal of 245034761819 is 918167430542.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 245034761819 - 2⁸ = 245034761563 is a prime.

It is a super-2 number, since 2×245034761819² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245034761813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396929 + ... + 804749.

It is an arithmetic number, because the mean of its divisors is an integer number (15947879310).

It is a 1-persistent number, because it is pandigital, but 2⋅245034761819 = 490069523638 is not.

Almost surely, 2^245034761819 is an apocalyptic number.

245034761819 is a deficient number, since it is larger than the sum of its proper divisors (10131307141).

245034761819 is a wasteful number, since it uses less digits than its factorization.

245034761819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408110.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 245034761819 in words is "two hundred forty-five billion, thirty-four million, seven hundred sixty-one thousand, eight hundred nineteen".