381053469 has 4 divisors (see below), whose sum is σ = 508071296. Its totient is φ = 254035644.

The previous prime is 381053437. The next prime is 381053537. The reversal of 381053469 is 964350183.

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 not a de Polignac number, because 381053469 - 2⁵ = 381053437 is a prime.

It is a super-2 number, since 2×381053469² = 290403492473867922, which 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 (381033469) 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, 63508909 + ... + 63508914.

It is an arithmetic number, because the mean of its divisors is an integer number (127017824).

Almost surely, 2^381053469 is an apocalyptic number.

It is an amenable number.

381053469 is a deficient number, since it is larger than the sum of its proper divisors (127017827).

381053469 is a wasteful number, since it uses less digits than its factorization.

381053469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127017826.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 381053469 is about 19520.5908978186. The cubic root of 381053469 is about 724.9843636739.

It can be divided in two parts, 3810534 and 69, that multiplied together give a triangular number (262926846 = T₂₂₉₃₁).

The spelling of 381053469 in words is "three hundred eighty-one million, fifty-three thousand, four hundred sixty-nine".